Air Pollution in Greater London: Real-time Air Quality Index and smog alert.

The latest data Last 7 days Greater London pollution August 2015 - May 2020 Quality of life
Current data from stations: Camden Kerbside Ealing Horn Lane Haringey Roadside London Bexley London Bloomsbury London Eltham London Haringey Priory Park South London Harlington London Hillingdon London Marylebone Road London N. Kensington London Teddington Bushy Park London Westminster Southwark A2 Old Kent Road Tower Hamlets Roadside
Locations: « England Greater London Tower Hamlets » London » Bexley » Camden » Croydon » Ealing » Greenwich » Haringey » Harrow » Hillingdon » Royal Kensington and Chelsea » Kingston upon Thames » Lewisham » Richmond upon Thames » Southwark » City of Westminster »
Pollution and air quality forecast for Greater London. Today is Tuesday, May 7, 2024. The following air pollution values have been recorded for Greater London:
  1. particulate matter (PM10) suspended dust - 15 (Good)
  2. particulate matter (PM2.5) dust - 5 (Good)
  3. nitrogen dioxide (NO2) - 17 (Good)
  4. ozone (O3) - 69 (Good)
  5. sulfur dioxide (SO2) - 1 (Good)
  6. carbon monoxide (CO) - 200 (Good)
Real-time Air Quality Index (AQI) for Greater London, Saturday, March 16, 2024: 1.

air quality index: 0
AQI 1 Good

What is the air quality in Greater London today? Is the air polluted in Greater London?. Is there smog?

Today (Saturday, March 16, 2024) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Greater London.


What is the level of PM10 today in Greater London? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Greater London is: 15 (Good) The highest PM10 values usually occur in month: 35 (December 2016). The lowest value of particulate matter PM10 pollution in Greater London is usually recorded in: August (14).

What is the current level of PM2.5 in Greater London? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 5 (Good) For comparison, the highest level of PM2.5 in Greater London in the last 7 days was: 10 (Thursday, February 1, 2024) and the lowest: 2 (Monday, August 28, 2023). The highest PM2.5 values were recorded: 24 (January 2017). The lowest level of particulate matter PM2.5 pollution occurs in month: February (7.3).

How high is the level of NO2? (nitrogen dioxide (NO2))
17 (Good)

How is the O3 level today in Greater London? (ozone (O3))
69 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
1 (Good)

How high is the CO level? (carbon monoxide (CO))
200 (Good)



Current data Saturday, March 16, 2024, 1:00 PM

PM10 15 (Good)

PM2,5 5 (Good)

NO2 17 (Good)

O3 69 (Good)

SO2 1 (Good)

CO 200 (Good)

Data on air pollution from recent days in Greater London

index 2024-04-10 2024-04-11 2024-04-12 2024-04-13 2024-04-14 2024-04-15 2024-04-16 2024-01-31 2024-02-01 2024-02-02 2024-02-03 2024-02-04 2024-02-05 2024-02-06 2024-02-07 2023-07-04 2023-07-02 2023-07-01 2023-07-03 2024-03-09 2024-03-10 2024-03-11 2024-03-12 2024-03-13 2024-03-14 2024-03-15 2024-03-16 2023-09-02 2023-09-01 2023-08-31 2023-08-30 2023-08-29 2023-08-28
pm10 12
Good		 8
Good		 10
Good		 10
Good		 9
Good		 9
Good		 9
Good		 18
Good		 27
Moderate		 15
Good		 10
Good		 8
Good		 25
Moderate		 26
Moderate		 22
Moderate		 9
Good		 16
Good		 5
Good		 12
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 10
Good		 7
Good		 9
Good		 8
Good		 8
Good		 5
Good
no2 13
Good		 14
Good		 14
Good		 12
Good		 12
Good		 10
Good		 5
Good		 23
Good		 39
Good		 20
Good		 15
Good		 12
Good		 15
Good		 13
Good		 13
Good		 4
Good		 1
Good		 1
Good		 2
Good		 26
Good		 24
Good		 20
Good		 20
Good		 10
Good		 12
Good		 10
Good		 13
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good
pm25 6
Good		 4
Good		 5
Good		 5
Good		 5
Good		 4
Good		 4
Good		 7
Good		 10
Good		 6
Good		 4
Good		 4
Good		 10
Good		 10
Good		 7
Good		 4
Good		 10
Good		 3
Good		 6
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 6
Good		 5
Good		 5
Good		 4
Good		 4
Good		 2
Good
so2 1
Good		 1
Good		 1
Good		 2
Good		 2
Good		 2
Good		 2
Good		 0
Good		 -1
Good		 -1
Good		 1
Good		 1
Good		 1
Good		 1
Good		 1
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good
o3 61
Good		 51
Good		 55
Good		 56
Good		 68
Good		 77
Moderate		 78
Moderate		 37
Good		 40
Good		 48
Good		 48
Good		 34
Good		 44
Good		 55
Good		 59
Good		 57
Good		 68
Good		 38
Good		 54
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good
co -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 88
Good		 243
Good		 235
Good		 222
Good		 186
Good		 195
Good		 157
Good		 86
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good
data source »
Air pollution in Greater London from August 2015 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
no2 21 (Good) 24 (Good) 26 (Good) 28 (Good) 35 (Good) 37 (Good) 39 (Good) 31 (Good) 27 (Good) 27 (Good) 25 (Good) 25 (Good) 29 (Good) 36 (Good) 33 (Good) 46 (Moderate) 45 (Moderate) 40 (Good) 41 (Moderate) 39 (Good) 35 (Good) 28 (Good) 35 (Good) 30 (Good) 41 (Moderate) 38 (Good) 42 (Moderate) 41 (Moderate) 39 (Good) 40 (Moderate) 45 (Moderate) 37 (Good) 36 (Good) 37 (Good) 33 (Good) 33 (Good) 36 (Good) 41 (Moderate) 41 (Moderate) 43 (Moderate) 58 (Moderate) 56 (Moderate) 49 (Moderate) 42 (Moderate) 36 (Good) 33 (Good) 29 (Good) 34 (Good) 38 (Good) 40 (Good) 42 (Moderate) 43 (Moderate) 40 (Moderate) 33 (Good) 38 (Good) 47 (Moderate) 41 (Moderate) 34 (Good)
pm25 10 (Good) 15 (Moderate) 8.9 (Good) 7.3 (Good) 11 (Good) 11 (Good) 12 (Good) 9.1 (Good) 7.3 (Good) 10 (Good) 8.1 (Good) 8.5 (Good) 11 (Good) 22 (Moderate) 11 (Good) 18 (Moderate) 13 (Good) 10 (Good) 14 (Moderate) 9.6 (Good) 7.3 (Good) 7.3 (Good) 11 (Good) 9.8 (Good) 16 (Moderate) 14 (Moderate) 14 (Moderate) 12 (Good) 12 (Good) 10 (Good) 13 (Good) 10 (Good) 11 (Good) 11 (Good) 8.9 (Good) 11 (Good) 13 (Good) 13 (Moderate) 13 (Moderate) 17 (Moderate) 24 (Moderate) 22 (Moderate) 11 (Good) 11 (Good) 10 (Good) 10 (Good) 8.9 (Good) 10 (Good) 14 (Moderate) 10 (Good) 16 (Moderate) 11 (Good) 7.5 (Good) 11 (Good) 12 (Good) 15 (Moderate) 9.9 (Good) 11 (Good)
pm10 17 (Good) 25 (Moderate) 17 (Good) 15 (Good) 17 (Good) 16 (Good) 18 (Good) 17 (Good) 16 (Good) 18 (Good) 16 (Good) 17 (Good) 18 (Good) 32 (Moderate) 19 (Good) 30 (Moderate) 20 (Good) 17 (Good) 22 (Moderate) 18 (Good) 16 (Good) 14 (Good) 20 (Moderate) 19 (Good) 26 (Moderate) 23 (Moderate) 23 (Moderate) 19 (Good) 18 (Good) 16 (Good) 21 (Moderate) 19 (Good) 17 (Good) 19 (Good) 17 (Good) 21 (Moderate) 22 (Moderate) 24 (Moderate) 22 (Moderate) 27 (Moderate) 32 (Moderate) 35 (Moderate) 21 (Moderate) 21 (Moderate) 21 (Moderate) 21 (Moderate) 17 (Good) 19 (Good) 24 (Moderate) 19 (Good) 27 (Moderate) 21 (Moderate) 15 (Good) 22 (Moderate) 21 (Moderate) 25 (Moderate) 18 (Good) 20 (Good)
o3 67 (Good) 61 (Good) 53 (Good) 46 (Good) 30 (Good) 29 (Good) 19 (Good) 28 (Good) 33 (Good) 43 (Good) 44 (Good) 45 (Good) 48 (Good) 51 (Good) 47 (Good) 28 (Good) 28 (Good) 27 (Good) 21 (Good) 28 (Good) 34 (Good) 32 (Good) 55 (Good) 50 (Good) 54 (Good) 45 (Good) 39 (Good) 33 (Good) 32 (Good) 27 (Good) 21 (Good) 27 (Good) 27 (Good) 31 (Good) 41 (Good) 45 (Good) 45 (Good) 46 (Good) 41 (Good) 30 (Good) 17 (Good) 13 (Good) 22 (Good) 21 (Good) 27 (Good) 37 (Good) 34 (Good) 37 (Good) 53 (Good) 45 (Good) 40 (Good) 36 (Good) 33 (Good) 38 (Good) 29 (Good) 21 (Good) 29 (Good) 33 (Good)
so2 3.5 (Good) 6.9 (Good) 6.4 (Good) 7.9 (Good) 5.8 (Good) 5.3 (Good) 5.9 (Good) 3.9 (Good) 4.5 (Good) 2.9 (Good) 4.4 (Good) 2.8 (Good) 2.8 (Good) 4.1 (Good) 4.3 (Good) 8.1 (Good) 5.9 (Good) 4.3 (Good) 5.3 (Good) 4.1 (Good) 4.2 (Good) 3.4 (Good) 5.1 (Good) 4.1 (Good) 3.8 (Good) 21 (Good) 5.3 (Good) 4.7 (Good) 10 (Good) 9.3 (Good) 9.7 (Good) 5.4 (Good) 3.9 (Good) 3.3 (Good) 4.7 (Good) 4.9 (Good) 4 (Good) 3.5 (Good) 4.4 (Good) 6.1 (Good) 7.6 (Good) 8.6 (Good) 8.2 (Good) 8.8 (Good) 6.9 (Good) 5.3 (Good) 7.1 (Good) 7.3 (Good) 6.7 (Good) 6.7 (Good) 6 (Good) 6.8 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good)
data source »

Quality of life in Greater London

Green and Parks in the City

Greater London 70%

Isle of Man: 78% Ireland: 72% Netherlands: 82% Belgium: 64% Faroe Islands: 87%

particulate matter PM2.5

Greater London 12 (Good)

Pleasure of spending time in the city

Greater London 56%

Isle of Man: 83% Ireland: 78% Netherlands: 88% Belgium: 64% Faroe Islands: 100%

particulate matter PM10

Greater London 18 (Good)

Air Pollution

Greater London 46%

Isle of Man: 13% Ireland: 24% Netherlands: 21% Belgium: 45% Faroe Islands: 0%

Garbage Disposal

Greater London 53%

Isle of Man: 78% Ireland: 61% Netherlands: 79% Belgium: 54% Faroe Islands: 88%

Availability and quality of drinking water

Greater London 70%

Isle of Man: 88% Ireland: 72% Netherlands: 92% Belgium: 70% Faroe Islands: 98%

Cleanliness and tidiness

Greater London 48%

Isle of Man: 69% Ireland: 52% Netherlands: 77% Belgium: 46% Faroe Islands: 94%

Noise and Light pollution

Greater London 64%

Isle of Man: 12% Ireland: 37% Netherlands: 31% Belgium: 54% Faroe Islands: 21%

Water Pollution

Greater London 46%

Isle of Man: 13% Ireland: 37% Netherlands: 17% Belgium: 42% Faroe Islands: 7.7%
Source: Numbeo


Camden Kerbside

Tuesday, April 16, 2024, 1:00 AM

PM10 12 (Good)

particulate matter (PM10) suspended dust

PM2,5 6 (Good)

particulate matter (PM2.5) dust

NO2 2 (Good)

nitrogen dioxide (NO2)

Ealing Horn Lane

Wednesday, February 7, 2024, 7:00 AM

PM10 40 (Moderate)

particulate matter (PM10) suspended dust

NO2 28 (Good)

nitrogen dioxide (NO2)

Haringey Roadside

Wednesday, February 7, 2024, 7:00 AM

NO2 24 (Good)

nitrogen dioxide (NO2)

London Bexley

Wednesday, February 7, 2024, 7:00 AM

PM2,5 8 (Good)

particulate matter (PM2.5) dust

NO2 43 (Moderate)

nitrogen dioxide (NO2)

PM10 17 (Good)

particulate matter (PM10) suspended dust

O3 65 (Good)

ozone (O3)

SO2 0.4 (Good)

sulfur dioxide (SO2)

London Bloomsbury

Tuesday, April 16, 2024, 1:00 AM

SO2 2.6 (Good)

sulfur dioxide (SO2)

O3 68 (Good)

ozone (O3)

NO2 11 (Good)

nitrogen dioxide (NO2)

PM10 8 (Good)

particulate matter (PM10) suspended dust

PM2,5 3 (Good)

particulate matter (PM2.5) dust

London Eltham

Monday, July 3, 2023, 5:00 PM

PM2,5 5 (Good)

particulate matter (PM2.5) dust

PM10 6 (Good)

particulate matter (PM10) suspended dust

O3 69 (Good)

ozone (O3)

NO2 2 (Good)

nitrogen dioxide (NO2)

London Haringey Priory Park South

Saturday, March 16, 2024, 1:00 PM

NO2 8 (Good)

nitrogen dioxide (NO2)

London Harlington

Wednesday, February 7, 2024, 8:00 AM

O3 67 (Good)

ozone (O3)

PM2,5 7 (Good)

particulate matter (PM2.5) dust

PM10 15 (Good)

particulate matter (PM10) suspended dust

NO2 18 (Good)

nitrogen dioxide (NO2)

London Hillingdon

Tuesday, April 16, 2024, 1:00 AM

PM2,5 3 (Good)

particulate matter (PM2.5) dust

O3 82 (Moderate)

ozone (O3)

PM10 8 (Good)

particulate matter (PM10) suspended dust

NO2 2 (Good)

nitrogen dioxide (NO2)

London Marylebone Road

Wednesday, February 7, 2024, 7:00 AM

O3 60 (Good)

ozone (O3)

PM2,5 11 (Good)

particulate matter (PM2.5) dust

NO2 32 (Good)

nitrogen dioxide (NO2)

PM10 23 (Moderate)

particulate matter (PM10) suspended dust

SO2 1 (Good)

sulfur dioxide (SO2)

CO 200 (Good)

carbon monoxide (CO)

London N. Kensington

Tuesday, April 16, 2024, 1:00 AM

O3 83 (Moderate)

ozone (O3)

PM2,5 3 (Good)

particulate matter (PM2.5) dust

SO2 2 (Good)

sulfur dioxide (SO2)

PM10 8 (Good)

particulate matter (PM10) suspended dust

NO2 2 (Good)

nitrogen dioxide (NO2)

London Teddington Bushy Park

Monday, August 28, 2023, 2:00 AM

PM2,5 2 (Good)

particulate matter (PM2.5) dust

PM10 5 (Good)

particulate matter (PM10) suspended dust

London Westminster

Tuesday, April 16, 2024, 1:00 AM

PM2,5 3 (Good)

particulate matter (PM2.5) dust

NO2 7 (Good)

nitrogen dioxide (NO2)

O3 59 (Good)

ozone (O3)

Southwark A2 Old Kent Road

Wednesday, February 7, 2024, 7:00 AM

PM10 21 (Moderate)

particulate matter (PM10) suspended dust

NO2 47 (Moderate)

nitrogen dioxide (NO2)

PM2,5 3.8 (Good)

particulate matter (PM2.5) dust

Tower Hamlets Roadside

Saturday, March 16, 2024, 1:00 PM

NO2 7 (Good)

nitrogen dioxide (NO2)

Camden Kerbside

index 2024-04-16 2024-04-15 2024-04-14 2024-04-13 2024-04-12 2024-04-11 2024-04-10
pm10 12 13 13 13 12 12 16
no2 3 9 13 15 18 20 19
pm25 6 6.8 7.2 7.7 7.7 6.3 8

Ealing Horn Lane

index 2024-02-07 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-02-01 2024-01-31
pm10 43 42 31 7.3 19 32 43 39
no2 13 12 13 9 14 18 30 21

Haringey Roadside

index 2024-02-07 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-01-31
no2 13 14 15 12 18 20 21

London Bexley

index 2024-02-07 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-02-01 2024-01-31
pm25 7.1 8.6 8.5 1.9 2.2 4.4 9 7.8
no2 15 4.1 5 3.9 6.2 11 38 17
pm10 11 20 22 4.4 4.6 6.2 18 11
o3 - 68 - - - 56 47 -
so2 - 0.04 - - - -1.7 -1.4 -

London Bloomsbury

index 2024-04-16 2024-04-15 2024-04-14 2024-04-13 2024-04-12 2024-04-11 2024-04-10
no2 11 17 17 9 9.3 9.7 9.1
pm25 3 3.3 4.5 4.5 4.5 3.6 5
pm10 8 8 8.4 8.2 8 6.5 10
so2 2.8 3 1.7 1.6 1.1 0.72 0.83
o3 68 71 66 58 56 51 62

London Eltham

index 2023-07-03 2023-07-01 2023-07-02 2023-07-04
pm25 6.4 2.7 10 4
pm10 12 4.9 16 9
o3 54 38 68 57
no2 1.6 0.83 1.4 4.3

London Haringey Priory Park South

index 2024-03-16 2024-03-15 2024-03-14 2024-03-13 2024-03-12 2024-03-11 2024-03-10 2024-03-09
no2 12 9.3 13 9.8 22 15 24 25

London Harlington

index 2024-02-07 2024-02-06 2024-02-05 2024-02-03 2024-02-02 2024-01-31
no2 8.3 12 19 7.6 13 22
pm25 7.2 7.3 8.5 2 4.2 4
o3 64 60 53 65 63 46
pm10 15 16 20 4.5 7.2 7.5

London Hillingdon

index 2024-04-16 2024-04-15 2024-04-14 2024-04-13 2024-04-12 2024-04-11 2024-04-10
pm10 8 7.8 7.9 11 11 8.2 15
o3 83 76 63 43 39 39 51
pm25 3 3.3 4.4 5 5.3 3.6 5
no2 2.5 8.2 14 20 27 24 23

London Marylebone Road

index 2024-02-07 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-02-01 2024-01-31
no2 12 30 34 29 40 44 48 41
pm25 13 13 14 6.7 7.2 9.9 - 8.5
co 86 157 195 186 222 235 243 88
pm10 25 26 30 9.5 14 21 - 15
o3 55 36 35 34 31 25 34 28
so2 1 1.1 1.3 1.4 0.75 0.42 -0.35 0.3

London N. Kensington

index 2024-04-16 2024-04-15 2024-04-14 2024-04-13 2024-04-12 2024-04-11 2024-04-10
pm10 8 7.6 7.5 7.7 7 5.7 9
no2 2 4.3 5.7 5.5 6.4 6.9 7.7
so2 2 2 1.7 1.9 1.8 1.3 1.6
o3 84 82 76 66 66 63 70
pm25 3 3.3 4.5 4.6 4.3 3.3 5

London Teddington Bushy Park

index 2023-08-28 2023-08-29 2023-08-30 2023-08-31 2023-09-01 2023-09-02
pm25 2.3 4.5 4 4.6 4.7 6.4
pm10 5.2 8.2 8 8.6 7.2 9.6

London Westminster

index 2024-04-16 2024-04-15 2024-04-14 2024-04-13 2024-04-12 2024-04-11 2024-04-10
pm25 3 2.9 3.2 3.9 3.8 2.9 4.5
o3 - - - - 60 51 62
no2 7 9.9 9.1 8.3 8.7 8.1 7.7

Southwark A2 Old Kent Road

index 2024-02-07 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-02-01 2024-01-31
no2 17 5.2 5.5 4.4 6.7 11 - 13
pm10 13 24 23 9.3 6.3 7.9 22 15
pm25 2.5 11 9.9 3.8 2.8 3.9 10 -

Tower Hamlets Roadside

index 2024-03-16 2024-03-15 2024-03-14 2024-03-13 2024-03-12 2024-03-11 2024-03-10 2024-03-09
no2 14 10 10 9.4 18 25 25 27

Camden Kerbside

2015-08   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
pm10 19 23 17 15 18 17 20 16 16 19 15 14 18 32 19 29 22 18 23 18 16 13 21 20 27 23 25 22 18 17 20 18 17 19 16 18 23 22 20 26 36 34 19 20 19 16 13 17 24 18 25 21 13 20 20 23 17 17
pm25 11 15 9.2 6.7 10 9.7 12 8.4 6.5 9.2 7.5 8.2 9.8 22 10 19 13 11 14 9 6.6 13 13 13 19 18 18 15 13 13 17 14 15 14 12 14 17 17 16 21 28 26 14 14 13 12 9.9 14 17 12 19 13 8.3 11 10 18 12 12
no2 21 26 29 31 42 40 49 37 35 34 35 33 41 39 30 47 52 45 44 46 37 38 51 49 56 44 43 42 44 33 54 37 40 44 41 42 50 54 43 53 78 70 63 59 53 47 42 61 64 66 58 56 52 36 48 75 66 51

Ealing Horn Lane

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
pm10 23 27 25 22 21 17 22 25 25 21 29 25 26 34 26 38 22 19 25 24 25 22 27 24 33 27 27 21 22 18 27 24 24 27 26 30 28 33 31 32 37 40 26 28 26 25 25 23 29 25 34 24 19 25 25 30 28 26

Haringey Roadside

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
no2 26 27 28 32 42 41 44 31 26 41 36 24 36 43 36 49 41 40 48 42 41 31 35 31 39 42 44 43 41 42 43 37 36 40 32 32 35 31 31 35 54 50 47 38 42 32 28 35 37 40 38 47 39 41 39 48 41 40
pm25 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9.9 11 14 14 19 12 13

London Bexley

2015-08   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
no2 18 29 21 18 24 24 27 20 16 13 13 13 16 25 19 32 34 26 27 25 20 18 22 19 27 26 26 29 25 30 32 21 21 25 16 18 21 29 31 23 29 26 25 23 20 18 18 20 24 25 29 31 25 17 24 34 30 25
pm25 13 17 8.8 6.1 12 15 14 12 8.6 11 11 11 13 25 13 21 13 9.7 15 10 7.3 7.4 11 10 18 17 14 11 11 9.2 12 8.8 9.7 9.6 8 9.6 12 13 11 9.3 20 20 9 10 8.8 8.1 6.6 9.1 13 8.8 14 8.6 3.8 - 17 18 13 13

London Bloomsbury

2015-08   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
no2 25 30 32 38 39 38 40 29 23 21 20 19 24 34 27 36 50 40 41 38 29 17 23 28 41 39 46 48 49 49 51 37 37 41 36 36 31 41 36 46 60 74 58 47 39 35 34 34 37 47 48 53 56 44 46 54 53 41
o3 68 60 50 43 33 29 19 28 31 44 42 47 46 51 48 29 23 25 20 25 35 35 56 47 49 43 33 23 26 20 15 24 22 27 33 39 38 38 36 25 11 9.8 14 14 24 34 29 29 42 37 29 28 26 30 23 15 20 28
pm10 17 24 16 13 17 15 17 14 13 16 12 15 16 31 17 28 18 18 20 15 13 10 18 15 23 21 21 17 16 15 18 16 15 16 16 19 21 21 20 25 30 32 19 19 20 19 14 17 22 16 22 17 13 20 20 21 17 18
pm25 12 15 8.8 9.1 14 13 14 11 9.2 12 8.6 8.2 9.2 22 10 18 12 10 14 8.8 6 4.9 9.8 7.1 14 13 14 15 15 13 14 12 13 13 11 13 15 14 14 20 26 22 11 12 11 11 8.2 9.6 14 9.6 16 9.9 5 7.8 9.5 12 6.9 7.7
so2 3.1 3.1 6.8 7.4 3.9 3.2 4.7 2.8 2.4 2.2 1.9 1.6 3.5 3.5 3 5.1 6.8 3.1 7.6 3.5 2.5 2.5 8.1 5.6 4.5 4 6.8 5.1 4.5 9.9 10 2.6 2.1 1.6 3.4 3.5 3.1 2.9 3.8 6.1 7.3 11 11 15 8.8 5.3 8.2 12 12 8.8 9.3 12 - - - - - -

London Eltham

2015-08   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
no2 7 15 13 14 20 18 20 15 14 13 11 9 14 18 17 26 31 19 22 20 17 12 14 12 18 17 20 19 17 21 23 18 16 17 15 14 19 21 20 23 32 30 29 20 14 14 14 14 19 15 23 24 28 13 19 24 20 14
pm25 9.9 15 8.4 7.8 10 8.4 9.6 7.5 6.8 9.3 8.7 8.2 11 23 11 16 12 9 14 8.1 6 5.2 9.7 9.4 16 15 13 13 14 9.2 8.4 11 12 10 9 9.7 12 14 14 20 25 22 9.6 10 8.3 11 8 9.1 14 8.7 14 8.9 7.6 9.9 9.5 14 8.6 10
o3 - 65 61 54 38 38 24 32 40 54 56 55 53 52 52 35 32 38 27 32 42 38 65 55 60 51 48 39 38 29 21 37 36 40 48 51 53 54 49 37 20 23 31 26 37 43 38 38 55 51 45 42 35 52 34 27 33 39

London Haringey Priory Park South

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
o3 75 65 59 52 - 35 22 33 40 55 54 54 55 58 55 38 35 33 25 36 45 41 70 64 64 54 47 40 42 36 28 36 36 37 44 51 54 56 50 38 21 17 22 24 35 45 40 42 59 51 46 39 40 43 34 23 36 42
no2 11 17 17 17 25 29 30 22 19 15 12 14 15 23 21 33 28 27 29 23 21 15 18 14 20 21 26 27 24 29 30 21 21 21 16 15 19 21 24 27 42 38 38 26 22 17 16 17 21 23 26 32 28 22 24 34 26 22

London Harlington

2015-08   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
o3 67 58 55 51 35 29 21 29 34 45 44 47 46 52 52 25 30 29 22 30 38 34 53 49 55 51 46 39 40 33 27 23 22 24 48 54 - 44 48 37 21 16 26 21 31 41 36 40 53 49 42 41 37 38 31 22 31 31
no2 11 19 22 23 32 38 35 28 24 24 20 23 26 35 29 53 45 37 33 27 25 17 22 17 27 23 22 24 22 25 27 20 20 17 21 23 30 36 36 38 60 58 45 31 24 19 20 25 22 22 28 9.2 25 24 27 31 22 17
pm25 8.6 14 8.7 6.5 9.4 8.4 9.6 7.5 5.3 6.9 6 6.6 8.2 21 8.9 15 11 7.5 13 7.8 5.2 4.9 8.6 8.5 14 12 13 9.9 8.7 6.7 9.8 7.8 7.9 7.3 6 7.9 9.8 11 10 13 20 20 8.5 9.6 11 - 15 14 16 13 19 13 9.5 13 14 17 12 17
pm10 14 23 14 11 14 12 14 12 12 13 13 11 14 29 14 22 16 11 18 13 11 11 18 16 21 17 18 15 13 9.6 15 13 12 13 12 15 16 19 15 17 25 25 13 14 16 - 17 17 21 16 23 15 11 17 16 19 14 -

London Harrow Stanmore

2015-08   2017-04
pollution pm25 hikersbay.com
index 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
pm25 14 13 17 28 20 9.7 11 9.8 9.3 7.8 9.1 13 10 12 9 6.3 8.8 9.6 12 6.5 5.9

London Hillingdon

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
o3 61 56 48 43 25 23 15 21 26 29 34 33 42 45 43 18 26 22 14 25 23 26 48 47 51 35 30 30 24 24 18 17 13 20 35 36 37 41 31 22 12 7.7 18 14 12 30 25 28 42 35 35 31 26 24 20 12 24 24
no2 24 26 29 34 50 49 49 44 38 47 35 41 36 46 61 60 49 51 58 37 42 40 45 31 41 53 57 49 57 52 55 52 54 52 38 46 48 52 68 64 75 72 60 45 57 44 44 44 48 57 52 57 58 62 59 71 46 50

London Marylebone Road

2015-08   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
pm25 9 14 8.5 7.1 12 12 13 9.6 7.2 11 8.7 11 16 26 17 27 16 16 19 15 14 13 16 14 18 18 17 13 13 13 16 14 14 14 12 14 15 15 16 22 25 27 15 14 15 13 13 14 16 14 19 14 13 16 18 21 13 15
no2 24 30 50 60 61 64 64 61 56 57 61 70 57 60 73 80 65 80 77 87 94 77 95 76 96 102 84 75 83 79 81 84 84 87 83 82 72 63 82 78 84 92 87 71 82 81 66 79 74 89 80 85 79 86 82 90 72 72
pm10 16 22 17 17 19 19 20 18 17 22 19 21 20 32 24 34 23 23 27 22 20 19 23 21 27 28 27 23 22 22 27 23 20 20 19 22 23 23 26 32 33 40 25 23 25 23 20 21 26 23 28 27 23 30 29 31 15 20
o3 63 54 37 23 15 13 11 15 19 22 26 23 31 36 25 15 20 11 10 17 16 14 30 32 35 24 22 24 17 16 14 16 21 22 23 26 28 30 19 15 14 4.8 11 16 11 17 7.7 19 36 24 21 16 13 16 13 12 15 18
so2 1.2 2.6 4.6 5.1 5.1 5.1 6.6 5.7 8.5 5.2 3.2 5.3 3.9 3.9 5.1 7.2 5.1 7.1 6.8 6.4 8.6 6.7 6.3 4.3 4.9 6.4 7 7.1 11 9.2 9.4 8.7 7.5 6.9 6.8 7.6 6 5.5 7.3 8.5 12 11 9.6 7.7 8.2 8 8.8 8.6 6.9 8.3 6.6 - - - - - - -

London N. Kensington

2015-08   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
pm25 8.6 13 8.3 6.2 9.5 8.2 9.2 7.6 4.8 7.6 5 6.1 7.5 19 9 15 11 7.8 12 7.2 5.1 4.3 7.2 6.3 - 5.5 11 10 11 9 12 8.6 9.6 9.6 7.8 10 11 13 12 20 24 23 11 12 9.2 9.3 7.3 8.1 13 9.5 16 11 7.5 8.8 11 14 8.4 9.1
o3 71 66 59 55 37 36 25 36 40 52 54 58 61 66 56 33 31 32 27 34 40 37 65 59 65 56 44 35 37 29 23 34 40 46 54 57 59 58 51 38 20 17 30 31 43 48 43 46 61 52 46 42 37 45 35 24 35 39
no2 13 18 20 22 27 29 36 27 21 20 12 13 17 26 24 36 36 33 34 30 25 19 20 18 24 24 32 33 30 33 37 29 27 28 19 23 27 29 31 35 55 49 44 37 25 23 20 25 27 29 34 33 29 25 33 44 33 23
pm10 14 21 14 11 15 13 14 13 10 13 9.9 11 12 28 15 22 16 12 17 12 9.9 8.4 14 13 19 17 18 15 15 14 18 14 14 16 12 20 23 24 23 27 29 37 22 21 20 19 15 17 21 17 23 19 15 22 19 22 15 17
so2 6 15 7.9 11 8.4 7.8 6.3 3 2.7 1.4 8.2 1.5 0.95 5 4.9 12 5.9 2.6 1.5 2.5 1.5 1.2 0.91 2.4 1.9 53 2.2 1.7 15 8.7 9.8 4.8 2 1.4 4 3.5 2.8 2.1 2.2 3.6 4 4.5 3.7 3.7 3.9 2.8 4.3 1.7 1.5 3 2.3 2.1 - - - - - -

London Teddington Bushy Park

2015-08   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
pm25 8.3 14 8.7 6.4 11 11 14 7.8 7.5 10 9.1 8 12 23 10 17 14 9.2 14 9.6 8.3 7.4 11 10 16 14 15 11 9.4 9.1 12 8.8 8.1 8.4 6.2 7.4 11 11 11 15 22 20 7.8 8.4 6.4 6.3 4.6 6.5 12 6.9 13 7.9 3 6.2 6.9 9.4 7.6 9.7
pm10 13 23 14 11 14 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

London Teddington

index 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
o3 55 56 73 64 53 51 49 55 44 34 39 43
no2 14 14 21 20 27 29 21 12 16 18 21 17

London Westminster

2015-08   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
no2 52 24 25 24 32 34 42 32 25 21 18 21 28 40 29 52 48 38 44 40 29 21 28 25 37 36 49 46 38 42 49 37 30 28 32 28 38 54 48 49 66 51 43 36 21 21 15 16 24 28 44 46 41 25 35 36 34 32
pm25 13 17 11 9.4 12 12 14 11 9.7 17 8.9 8.9 10 22 11 19 14 11 16 10 7.4 6.4 9.9 9.3 15 14 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Southwark A2 Old Kent Road

index 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2015-09 2015-08
pm10 34 22 22 20 19 23 20 19 20 17 18 23 38 21 37 23 17 25 21 18 14 - 22 32 26 26 21 17 16 21 23 19 20 18 21 24 26 21 28 35 36 22 24 18 22 16 20 27 21 31 24 13 23 21 24 22 20
no2 29 27 22 30 38 40 26 27 20 24 25 38 47 32 42 50 31 41 46 31 25 44 40 53 40 44 51 39 44 50 45 39 39 38 35 48 56 39 45 70 63 60 63 34 36 31 51 62 49 57 53 43 25 39 53 58 43

Tower Hamlets Roadside

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2015-11 2015-10 2015-09 2015-08
no2 16 25 26 26 30 33 36 29 25 20 26 23 31 34 37 48 58 47 42 49 50 31 36 35 54 35 50 48 43 46 49 44 39 42 40 34 32 51 39 38 46 50 38 50 42 41 40 43 49 50 52 50 36 51 50 32

* Pollution data source: https://openaq.org (DEFRA) The data is licensed under CC-By 4.0