Cardiff: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast
- particulate matter (PM2.5) dust - 6 (Good)
- particulate matter (PM10) suspended dust - 11 (Good)
- ozone (O3) - 61 (Good)
- nitrogen dioxide (NO2) - 15 (Good)
- sulfur dioxide (SO2) - 1 (Good)
- carbon monoxide (CO) - 163 (Good)
What is the air quality in Cardiff today? Is the air polluted in Cardiff?. Is there smog?
What is the current level of PM2.5 in Cardiff? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
6 (Good)
For comparison, the highest level of PM2.5 in Cardiff in the last 7 days was: 10 (Wednesday, August 26, 2026) and the lowest: 3 (Friday, August 21, 2026).
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 PM10 today in Cardiff? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Cardiff is:
11 (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).
How is the O3 level today in Cardiff? (ozone (O3))
61 (Good)
How high is the level of NO2? (nitrogen dioxide (NO2))
15 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
1 (Good)
How high is the CO level? (carbon monoxide (CO))
163 (Good)
Current data Thursday, August 27, 2026 at 2:00 AM
PM2,5 6 (Good)
PM10 11 (Good)
O3 61 (Good)
NO2 15 (Good)
SO2 1 (Good)
CO 163 (Good)
Data on air pollution from recent days in Cardiff
index
2026-08-27
2026-08-26
2026-08-25
2026-08-24
2026-08-23
2026-08-22
2026-08-21
2026-08-20
pm25
4
Good
10
Good
8
Good
7
Good
5
Good
6
Good
3
Good
3
Good
pm10
6
Good
14
Good
13
Good
11
Good
8
Good
9
Good
6
Good
6
Good
o3
70
Moderate
84
Moderate
90
Moderate
82
Moderate
73
Moderate
62
Good
59
Good
54
Good
no2
7
Good
6
Good
5
Good
6
Good
5
Good
6
Good
6
Good
4
Good
so2
0
Good
1
Good
1
Good
1
Good
1
Good
1
Good
1
Good
1
Good
co
155
Good
172
Good
176
Good
175
Good
177
Good
178
Good
166
Good
155
Good
data source »
Air pollution in Cardiff from February 2016 to May 2020
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
Thursday, August 27, 2026 at 2:00 AM
PM2,5 6.3 (Good)
particulate matter (PM2.5) dust
PM10 11 (Good)
particulate matter (PM10) suspended dust
O3 61 (Good)
ozone (O3)
NO2 15 (Good)
nitrogen dioxide (NO2)
SO2 0.8 (Good)
sulfur dioxide (SO2)
CO 163 (Good)
carbon monoxide (CO)
Cardiff
index
2026-08-20
2026-08-21
2026-08-22
2026-08-23
2026-08-24
2026-08-25
2026-08-26
2026-08-27
pm25
2.9
3.4
5.6
5.3
6.9
8
9.7
4.1
pm10
6.1
6.3
8.8
7.9
11
13
14
6.3
o3
54
59
62
73
82
90
84
70
no2
3.9
5.9
5.9
4.9
5.8
4.8
5.5
7.5
so2
0.67
0.57
0.75
0.52
0.52
0.72
0.6
0.43
co
155
166
178
177
175
176
172
155
Cardiff Centre
2016-02 2020-05
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
🌦️ Weather · 16-day Forecast — Cardiff
PM2,5 6 (Good)
PM10 11 (Good)
O3 61 (Good)
NO2 15 (Good)
SO2 1 (Good)
CO 163 (Good)
Data on air pollution from recent days in Cardiff
| index | 2026-08-27 | 2026-08-26 | 2026-08-25 | 2026-08-24 | 2026-08-23 | 2026-08-22 | 2026-08-21 | 2026-08-20 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 4 Good |
10 Good |
8 Good |
7 Good |
5 Good |
6 Good |
3 Good |
3 Good |
| pm10 | 6 Good |
14 Good |
13 Good |
11 Good |
8 Good |
9 Good |
6 Good |
6 Good |
| o3 | 70 Moderate |
84 Moderate |
90 Moderate |
82 Moderate |
73 Moderate |
62 Good |
59 Good |
54 Good |
| no2 | 7 Good |
6 Good |
5 Good |
6 Good |
5 Good |
6 Good |
6 Good |
4 Good |
| so2 | 0 Good |
1 Good |
1 Good |
1 Good |
1 Good |
1 Good |
1 Good |
1 Good |
| co | 155 Good |
172 Good |
176 Good |
175 Good |
177 Good |
178 Good |
166 Good |
155 Good |
| 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) |
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%PM2,5 6.3 (Good)
particulate matter (PM2.5) dustPM10 11 (Good)
particulate matter (PM10) suspended dustO3 61 (Good)
ozone (O3)NO2 15 (Good)
nitrogen dioxide (NO2)SO2 0.8 (Good)
sulfur dioxide (SO2)CO 163 (Good)
carbon monoxide (CO)Cardiff
| index | 2026-08-20 | 2026-08-21 | 2026-08-22 | 2026-08-23 | 2026-08-24 | 2026-08-25 | 2026-08-26 | 2026-08-27 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 2.9 | 3.4 | 5.6 | 5.3 | 6.9 | 8 | 9.7 | 4.1 |
| pm10 | 6.1 | 6.3 | 8.8 | 7.9 | 11 | 13 | 14 | 6.3 |
| o3 | 54 | 59 | 62 | 73 | 82 | 90 | 84 | 70 |
| no2 | 3.9 | 5.9 | 5.9 | 4.9 | 5.8 | 4.8 | 5.5 | 7.5 |
| so2 | 0.67 | 0.57 | 0.75 | 0.52 | 0.52 | 0.72 | 0.6 | 0.43 |
| co | 155 | 166 | 178 | 177 | 175 | 176 | 172 | 155 |
Cardiff Centre
| 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 |
16-day weather forecast for Cardiff: today around 26°C (cloudy), lows near 11°C. Daily temperature and conditions, updated every day. Strong wind (about 30 km/h) is actively clearing smog and dust away.
☀️ UV Index · 16-day Forecast — Cardiff
The UV index in Cardiff today is 4.1 (moderate) — unprotected fair skin can burn in about 50 minutes.
📍 Air quality in nearby cities
Live PM2.5 around Cardiff — compare nearby locations.
- Bristol 6 µg/m³
- Southampton 5 µg/m³
- Plymouth 5 µg/m³
- Birmingham 15 µg/m³
- Wolverhampton 14 µg/m³
- Coventry 15 µg/m³
- London 15 µg/m³
- Glasgow 10 µg/m³