Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality near Cardiff Castle Street, Cardiff
Air quality index (AQI) and PM2.5 air pollution near Cardiff Castle Street, Cardiff
1.3K people follow this station
Air Quality Map
Real-time Cardiff Castle Street air pollution map
AIR QUALITY DATA CONTRIBUTORS
Station operated by
Welsh Government
Government
Weather
What is the current weather near Cardiff Castle Street, Cardiff?
| Weather | Broken clouds |
| Temperature | 62.6°F |
| Humidity | 74% |
| Wind | 5.7 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time United Kingdom city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Luton, England | 80 |
| 2 | Pontypridd, Wales | 67 |
| 3 | Birmingham, England | 65 |
| 4 | Cardiff, Wales | 64 |
| 5 | Port Talbot, Wales | 64 |
| 6 | Bedford, England | 61 |
| 7 | Cambridge, England | 61 |
| 8 | Oxford, England | 59 |
| 9 | Cheltenham, England | 58 |
| 10 | Reading, England | 56 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time Cardiff air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Cardiff Newport Road | 68 |
| 2 | Cardiff Castle Street | 66 |
| 3 | Cardiff Centre | 60 |
(local time)
SEE WORLD AQI RANKING
US AQI
66
live AQI index
Moderate
Overview
What is the current air quality near Cardiff Castle Street, Cardiff?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 66 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 17µg/m³ | |
| PM10 | 24µg/m³ | |
| NO2 | 20µg/m³ | |
Health Recommendations
What is the current air quality near Cardiff Castle Street, Cardiff?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Cardiff Castle Street, Cardiff air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Saturday, May 4 | Good 42 AQI US  | |||
| Sunday, May 5 | Moderate 52 AQI US | |||
| Monday, May 6 | Good 33 AQI US | |||
| Today | Moderate 66 AQI US |  70% | 62.6° 48.2° |  6.7 mp/h |
| Wednesday, May 8 | Moderate 65 AQI US | | 60.8° 50° | 6.7 mp/h |
| Thursday, May 9 | Moderate 65 AQI US | | 60.8° 50° | 2.2 mp/h |
| Friday, May 10 | Moderate 66 AQI US | | 60.8° 51.8° | 4.5 mp/h |
| Saturday, May 11 | Moderate 69 AQI US | 60% | 64.4° 51.8° | 4.5 mp/h |
| Sunday, May 12 | Moderate 71 AQI US | 100% | 64.4° 51.8° | 8.9 mp/h |
| Monday, May 13 | Moderate 65 AQI US | 100% | 60.8° 53.6° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Cardiff Castle Street air quality data attribution
Contributor
- Welsh Government
1 station
Government Contributor
Data source
Where is the cleanest air quality in Cardiff?
No locations are available.
AQI US, Metric