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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 | Bridgend | 41 |
| 2 | Blackwood | 37 |
| 3 | Cwmbran | 36 |
| 4 | Cardiff | 35 |
| 5 | Port Talbot | 35 |
| 6 | Aberystwyth | 33 |
| 7 | Templeton | 33 |
| 8 | Chepstow | 29 |
| 9 | Newport | 27 |
| 10 | Carmarthen | 26 |
(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 | Chirk | 8 |
| 2 | Monmouth | 8 |
| 3 | Wrexham | 12 |
| 4 | Ruabon | 16 |
| 5 | Caerphilly | 21 |
| 6 | Dyserth | 21 |
| 7 | Pontypridd | 21 |
| 8 | Fochriw | 25 |
| 9 | Carmarthen | 26 |
| 10 | Newport | 27 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Unhealthy for sensitive groups
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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
- Craig YrHesg
2 stations
- controlsjedi
1 station
- DJ
1 station
3 Individual Contributors
4 Anonymous contributors4 stations
4 Anonymous Contributors
Which is the most polluted city in Wales?
- Bridgend 41
- Blackwood 37
- Cwmbran 36
- Cardiff 35
- Port Talbot 35
- Aberystwyth 33
- Templeton 33
- Chepstow 29
- Newport 27
- Carmarthen 26
- Fochriw 25
- Caerphilly 21
- Dyserth 21
- Pontypridd 21
- Ruabon 16
- Landore 12
- Morriston 12
- Neath 12
- Swansea 12
- Taibach 12
- Wrexham 12
- Penarth 11
- Benllech 10
- Cemaes Bay 10
- Crosskeys 10
- Crumlin 10
- Deiniolen 10
- Llanerchymedd 10
- Llanfairpwllgwyngyll 10
- Mountain Ash 10
- Rhyl 10
- Bishops Moat 9
- Chirk 8
- Monmouth 8
AQI US, Metric