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

Current data from stations: Cardiff Centre
Locations: « Wales Cardiff Castle »
Pollution and air quality forecast for Cardiff. Today is Tuesday, April 30, 2024. The following air pollution values have been recorded for Cardiff:
  1. nitrogen dioxide (NO2) - 17 (Good)
  2. ozone (O3) - 65 (Good)
  3. particulate matter (PM2.5) dust - 21 (Moderate)
  4. sulfur dioxide (SO2) - 5 (Good)
  5. particulate matter (PM10) suspended dust - 17 (Good)
Real-time Air Quality Index (AQI) for Cardiff, Wednesday, February 7, 2024: 2.

air quality index: 1
AQI 2 Moderate

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

Today (Wednesday, February 7, 2024) air quality is moderate in Cardiff. Some pollutants in Cardiff may slightly affect very few hypersensitive individuals. Air pollutants in Cardiff may cause minor breathing discomfort to sensitive people.


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

How is the O3 level today in Cardiff? (ozone (O3))
65 (Good)

What is the current level of PM2.5 in Cardiff? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 21 (Moderate) For comparison, the highest level of PM2.5 in Cardiff in the last 7 days was: 28 (Tuesday, February 6, 2024) and the lowest: 9 (Wednesday, January 31, 2024). The highest PM2.5 values were recorded: 25 (February 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: July (5.8).

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

What is the level of PM10 today in Cardiff? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Cardiff is: 17 (Good) The highest PM10 values usually occur in month: 34 (February 2019). The lowest value of particulate matter PM10 pollution in Cardiff is usually recorded in: July (13).



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

NO2 17 (Good)

O3 65 (Good)

PM2,5 21 (Moderate)

SO2 5 (Good)

PM10 17 (Good)

Data on air pollution from recent days in Cardiff

index 2024-01-31 2024-02-02 2024-02-03 2024-02-04 2024-02-05 2024-02-06 2024-02-07
so2 4
Good
5
Good
5
Good
5
Good
5
Good
6
Good
5
Good
o3 39
Good
63
Good
61
Good
63
Good
66
Good
65
Good
68
Good
pm10 14
Good
-
Good
-
Good
-
Good
-
Good
24
Moderate
18
Good
no2 21
Good
13
Good
14
Good
11
Good
11
Good
11
Good
10
Good
pm25 9
Good
-
Good
-
Good
-
Good
-
Good
28
Moderate
22
Moderate
data source »
Air pollution in Cardiff from February 2016 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
o3 69 (Good) 72 (Moderate) 62 (Good) 59 (Good) 39 (Good) 34 (Good) 25 (Good) 26 (Good) 34 (Good) 41 (Good) 43 (Good) 46 (Good) 51 (Good) 60 (Good) 53 (Good) 34 (Good) 31 (Good) 40 (Good) 33 (Good) 34 (Good) 35 (Good) 32 (Good) 41 (Good) 55 (Good) 60 (Good) 55 (Good) 51 (Good) 43 (Good) 42 (Good) 39 (Good) 31 (Good) 40 (Good) 38 (Good) 39 (Good) 44 (Good) 50 (Good) 54 (Good) 56 (Good) 53 (Good) 45 (Good) 28 (Good) 20 (Good) 31 (Good) 27 (Good) 34 (Good) 40 (Good) 39 (Good) 48 (Good) 60 (Good) 56 (Good) 47 (Good) 46 (Good)
no2 11 (Good) 9.1 (Good) 17 (Good) 16 (Good) 27 (Good) 30 (Good) 38 (Good) 24 (Good) 14 (Good) 18 (Good) 15 (Good) 14 (Good) 16 (Good) 20 (Good) 22 (Good) 34 (Good) 30 (Good) 23 (Good) 28 (Good) 23 (Good) 19 (Good) 14 (Good) 9.3 (Good) 9.3 (Good) 12 (Good) 13 (Good) 18 (Good) 20 (Good) 23 (Good) 25 (Good) 29 (Good) 17 (Good) 14 (Good) 13 (Good) 12 (Good) 11 (Good) 13 (Good) 18 (Good) 19 (Good) 23 (Good) 24 (Good) 27 (Good) 28 (Good) 23 (Good) 18 (Good) 14 (Good) 10 (Good) 16 (Good) 18 (Good) 16 (Good) 26 (Good) 25 (Good)
so2 6.3 (Good) 3.6 (Good) 5 (Good) 7.9 (Good) 9.7 (Good) 6.4 (Good) 2.8 (Good) 4.9 (Good) 13 (Good) 3.1 (Good) 3.5 (Good) 3.2 (Good) 3.8 (Good) 3.6 (Good) 3.3 (Good) 5.6 (Good) 3.7 (Good) 1.9 (Good) 1.8 (Good) 6.3 (Good) 4.6 (Good) 2.7 (Good) 2.8 (Good) 4.1 (Good) 3.9 (Good) 7.2 (Good) 2.1 (Good) 0.95 (Good) 1.6 (Good) 1.1 (Good) 2.6 (Good) 4.7 (Good) 11 (Good) 11 (Good) 8.3 (Good) 12 (Good) 15 (Good) 9.2 (Good) 9.6 (Good) 12 (Good) 14 (Good) 11 (Good) 9.2 (Good) 5.3 (Good) 6.2 (Good) 4.2 (Good) 5.6 (Good) 6.8 (Good) 3.6 (Good) 4.8 (Good) 4.1 (Good) 4.2 (Good)
pm25 8.3 (Good) 13 (Good) 7.3 (Good) 6 (Good) 7.4 (Good) 8 (Good) 7.7 (Good) 6.6 (Good) 6.2 (Good) 7.5 (Good) 6 (Good) 12 (Good) 11 (Good) 19 (Moderate) 12 (Good) 25 (Moderate) 12 (Good) 9.4 (Good) 13 (Good) 8.7 (Good) 6.3 (Good) 6.6 (Good) 10 (Good) 11 (Good) 14 (Moderate) 12 (Good) 10 (Good) 9.9 (Good) 10 (Good) 6.9 (Good) 9.4 (Good) 7.3 (Good) 7.2 (Good) 6 (Good) 6.4 (Good) 8.8 (Good) 11 (Good) 9.2 (Good) 9.7 (Good) 11 (Good) 17 (Moderate) 17 (Moderate) 7 (Good) 9.1 (Good) 6 (Good) 7.5 (Good) 5.8 (Good) 10 (Good) 12 (Good) 8.2 (Good) 13 (Good) 19 (Moderate)
pm10 14 (Good) 21 (Moderate) 15 (Good) 16 (Good) 18 (Good) 21 (Moderate) 20 (Good) 25 (Moderate) 24 (Moderate) 20 (Moderate) 15 (Good) 17 (Good) 28 (Moderate) 29 (Moderate) 24 (Moderate) 34 (Moderate) 21 (Moderate) 15 (Good) 18 (Good) 18 (Good) 18 (Good) 23 (Moderate) 14 (Good) 17 (Good) 21 (Moderate) 17 (Good) 19 (Good) 18 (Good) 18 (Good) 14 (Good) 16 (Good) 15 (Good) 14 (Good) 14 (Good) 13 (Good) 16 (Good) 18 (Good) 17 (Good) 18 (Good) 23 (Moderate) 23 (Moderate) 29 (Moderate) 16 (Good) 18 (Good) 15 (Good) 17 (Good) 15 (Good) 20 (Good) 22 (Moderate) 16 (Good) 20 (Good) 26 (Moderate)
data source »

Quality of life in Cardiff

Green and Parks in the City

Cardiff 78%

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

particulate matter PM2.5

Cardiff 10 (Good)

Pleasure of spending time in the city

Cardiff 69%

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

particulate matter PM10

Cardiff 14 (Good)

Air Pollution

Cardiff 35%

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

Garbage Disposal

Cardiff 59%

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

Availability and quality of drinking water

Cardiff 76%

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

Cleanliness and tidiness

Cardiff 52%

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

Noise and Light pollution

Cardiff 45%

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

Water Pollution

Cardiff 24%

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


Cardiff Centre

Wednesday, February 7, 2024, 7:00 AM

NO2 17 (Good)

nitrogen dioxide (NO2)

O3 65 (Good)

ozone (O3)

PM2,5 21 (Moderate)

particulate matter (PM2.5) dust

SO2 5 (Good)

sulfur dioxide (SO2)

PM10 17 (Good)

particulate matter (PM10) suspended dust

Cardiff Centre

index 2024-02-07 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-01-31
so2 5 6 4.8 4.9 4.9 5 4.1
o3 68 65 66 63 61 63 39
pm10 18 24 - - - - 14
no2 9.9 11 11 11 14 13 21
pm25 22 28 - - - - 8.5

Cardiff Centre

2016-02   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
pm25 8.3 13 7.3 6 7.4 8 7.7 6.6 6.2 7.5 6 12 11 19 12 25 12 9.4 13 8.7 6.3 6.6 10 11 14 12 10 9.9 10 6.9 9.4 7.3 7.2 6 6.4 8.8 11 9.2 9.7 11 17 17 7 9.1 6 7.5 5.8 10 12 8.2 13 19
so2 6.3 3.6 5 7.9 9.7 6.4 2.8 4.9 13 3.1 3.5 3.2 3.8 3.6 3.3 5.6 3.7 1.9 1.8 6.3 4.6 2.7 2.8 4.1 3.9 7.2 2.1 0.95 1.6 1.1 2.6 4.7 11 11 8.3 12 15 9.2 9.6 12 14 11 9.2 5.3 6.2 4.2 5.6 6.8 3.6 4.8 4.1 4.2
o3 69 72 62 59 39 34 25 26 34 41 43 46 51 60 53 34 31 40 33 34 35 32 41 55 60 55 51 43 42 39 31 40 38 39 44 50 54 56 53 45 28 20 31 27 34 40 39 48 60 56 47 46
no2 11 9.1 17 16 27 30 38 24 14 18 15 14 16 20 22 34 30 23 28 23 19 14 9.3 9.3 12 13 18 20 23 25 29 17 14 13 12 11 13 18 19 23 24 27 28 23 18 14 10 16 18 16 26 25
pm10 14 21 15 16 18 21 20 25 24 20 15 17 28 29 24 34 21 15 18 18 18 23 14 17 21 17 19 18 18 14 16 15 14 14 13 16 18 17 18 23 23 29 16 18 15 17 15 20 22 16 20 26

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