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

Current data from stations: London Harlington
Locations: « Hillingdon Harlington
Pollution and air quality forecast for Harlington. Today is Friday, May 2, 2025. The following air pollution values have been recorded for Harlington:
  1. ozone (O3) - 67 (Good)
  2. particulate matter (PM2.5) dust - 7 (Good)
  3. particulate matter (PM10) suspended dust - 15 (Good)
  4. nitrogen dioxide (NO2) - 18 (Good)
Real-time Air Quality Index (AQI) for Harlington, Wednesday, February 7, 2024: 1.

air quality index: 0
AQI 1 Good

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

Today (Wednesday, February 7, 2024) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Harlington.


How is the O3 level today in Harlington? (ozone (O3))
67 (Good)

What is the current level of PM2.5 in Harlington? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 7 (Good) For comparison, the highest level of PM2.5 in Harlington in the last 7 days was: 9 (Monday, February 5, 2024) and the lowest: 2 (Saturday, February 3, 2024). The highest PM2.5 values were recorded: 21 (April 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: August (4.9).

What is the level of PM10 today in Harlington? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Harlington is: 15 (Good) The highest PM10 values usually occur in month: 29 (April 2019). The lowest value of particulate matter PM10 pollution in Harlington is usually recorded in: December (9.6).

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



Current data Wednesday, February 7, 2024, 8:00 AM

O3 67 (Good)

PM2,5 7 (Good)

PM10 15 (Good)

NO2 18 (Good)

Data on air pollution from recent days in Harlington

index 2024-01-31 2024-02-02 2024-02-03 2024-02-05 2024-02-06 2024-02-07
no2 22
Good
13
Good
8
Good
19
Good
12
Good
8
Good
pm25 4
Good
4
Good
2
Good
9
Good
7
Good
7
Good
o3 46
Good
63
Good
65
Good
53
Good
60
Good
64
Good
pm10 8
Good
7
Good
4
Good
20
Moderate
16
Good
15
Good
data source »
Air pollution in Harlington 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 11 (Good) 19 (Good) 22 (Good) 23 (Good) 32 (Good) 38 (Good) 35 (Good) 28 (Good) 24 (Good) 24 (Good) 20 (Good) 23 (Good) 26 (Good) 35 (Good) 29 (Good) 53 (Moderate) 45 (Moderate) 37 (Good) 33 (Good) 27 (Good) 25 (Good) 17 (Good) 22 (Good) 17 (Good) 27 (Good) 23 (Good) 22 (Good) 24 (Good) 22 (Good) 25 (Good) 27 (Good) 20 (Good) 20 (Good) 17 (Good) 21 (Good) 23 (Good) 30 (Good) 36 (Good) 36 (Good) 38 (Good) 60 (Moderate) 58 (Moderate) 45 (Moderate) 31 (Good) 24 (Good) 19 (Good) 20 (Good) 25 (Good) 22 (Good) 22 (Good) 28 (Good) 9.2 (Good) 25 (Good) 24 (Good) 27 (Good) 31 (Good) 22 (Good) 17 (Good)
pm25 8.6 (Good) 14 (Moderate) 8.7 (Good) 6.5 (Good) 9.4 (Good) 8.4 (Good) 9.6 (Good) 7.5 (Good) 5.3 (Good) 6.9 (Good) 6 (Good) 6.6 (Good) 8.2 (Good) 21 (Moderate) 8.9 (Good) 15 (Moderate) 11 (Good) 7.5 (Good) 13 (Good) 7.8 (Good) 5.2 (Good) 4.9 (Good) 8.6 (Good) 8.5 (Good) 14 (Moderate) 12 (Good) 13 (Good) 9.9 (Good) 8.7 (Good) 6.7 (Good) 9.8 (Good) 7.8 (Good) 7.9 (Good) 7.3 (Good) 6 (Good) 7.9 (Good) 9.8 (Good) 11 (Good) 10 (Good) 13 (Moderate) 20 (Moderate) 20 (Moderate) 8.5 (Good) 9.6 (Good) 11 (Good) - (Good) 15 (Moderate) 14 (Moderate) 16 (Moderate) 13 (Moderate) 19 (Moderate) 13 (Moderate) 9.5 (Good) 13 (Good) 14 (Moderate) 17 (Moderate) 12 (Good) 17 (Moderate)
pm10 14 (Good) 23 (Moderate) 14 (Good) 11 (Good) 14 (Good) 12 (Good) 14 (Good) 12 (Good) 12 (Good) 13 (Good) 13 (Good) 11 (Good) 14 (Good) 29 (Moderate) 14 (Good) 22 (Moderate) 16 (Good) 11 (Good) 18 (Good) 13 (Good) 11 (Good) 11 (Good) 18 (Good) 16 (Good) 21 (Moderate) 17 (Good) 18 (Good) 15 (Good) 13 (Good) 9.6 (Good) 15 (Good) 13 (Good) 12 (Good) 13 (Good) 12 (Good) 15 (Good) 16 (Good) 19 (Good) 15 (Good) 17 (Good) 25 (Moderate) 25 (Moderate) 13 (Good) 14 (Good) 16 (Good) - (Good) 17 (Good) 17 (Good) 21 (Moderate) 16 (Good) 23 (Moderate) 15 (Good) 11 (Good) 17 (Good) 16 (Good) 19 (Good) 14 (Good) - (Good)
o3 67 (Good) 58 (Good) 55 (Good) 51 (Good) 35 (Good) 29 (Good) 21 (Good) 29 (Good) 34 (Good) 45 (Good) 44 (Good) 47 (Good) 46 (Good) 52 (Good) 52 (Good) 25 (Good) 30 (Good) 29 (Good) 22 (Good) 30 (Good) 38 (Good) 34 (Good) 53 (Good) 49 (Good) 55 (Good) 51 (Good) 46 (Good) 39 (Good) 40 (Good) 33 (Good) 27 (Good) 23 (Good) 22 (Good) 24 (Good) 48 (Good) 54 (Good) - (Good) 44 (Good) 48 (Good) 37 (Good) 21 (Good) 16 (Good) 26 (Good) 21 (Good) 31 (Good) 41 (Good) 36 (Good) 40 (Good) 53 (Good) 49 (Good) 42 (Good) 41 (Good) 37 (Good) 38 (Good) 31 (Good) 22 (Good) 31 (Good) 31 (Good)
data source »

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 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 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 -

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