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Air quality in Wales
Air quality index (AQI) and PM2.5 air pollution in Wales
LIVE AQI CITY RANKING
Real-time Wales
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Fochriw | 50 |
| 2 | Cardiff | 45 |
| 3 | Chirk | 41 |
| 4 | Cwmbran | 41 |
| 5 | Blackwood | 37 |
| 6 | Pontypridd | 35 |
| 7 | Aberystwyth | 33 |
| 8 | Bridgend | 33 |
| 9 | Caerphilly | 33 |
| 10 | Newport | 33 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
11 Contributors
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LIVE AQI CITY RANKING
Real-time Wales
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Ruabon | 1 |
| 2 | Carmarthen | 16 |
| 3 | Dyserth | 19 |
| 4 | Chepstow | 25 |
| 5 | Wrexham | 25 |
| 6 | Templeton | 29 |
| 7 | Monmouth | 30 |
| 8 | Aberystwyth | 33 |
| 9 | Bridgend | 33 |
| 10 | Caerphilly | 33 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Moderate
Unhealthy for sensitive groups
Unhealthy
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News
The latest air quality news and resources.
Wales air quality data attribution
11Contributors
- Welsh Government
19 stations
- UK Air Quality
1 station
3 Government Contributors
- Milking Solutions
1 station
Corporate Contributor
- controlsjedi
1 station
- DJ
1 station
2 Individual Contributors
5 Anonymous contributors5 stations
5 Anonymous Contributors
Which is the most polluted city in Wales?
- Fochriw 50
- Cardiff 45
- Chirk 41
- Cwmbran 41
- Blackwood 37
- Pontypridd 35
- Aberystwyth 33
- Bridgend 33
- Caerphilly 33
- Newport 33
- Port Talbot 33
- Monmouth 30
- Templeton 29
- Chepstow 25
- Wrexham 25
- Dyserth 19
- Carmarthen 16
- Penarth 16
- Benllech 13
- Bishops Moat 13
- Deiniolen 13
- Llanerchymedd 13
- Llanfairpwllgwyngyll 13
- Rhyl 13
- Cemaes Bay 12
- Crosskeys 12
- Crumlin 12
- Landore 11
- Morriston 11
- Mountain Ash 11
- Neath 11
- Swansea 11
- Taibach 11
- Ruabon 1
AQI US, Metric