Air Quality
Air Quality for May 21, 2025
Air pollution
Data on the main pollutant gases
Pollutant | Value |
---|---|
Carbon Monoxide | coming soon μg/m3 |
Ozone | coming soon μg/m3 |
Nitrogen dioxide | coming soon μg/m3 |
Sulphur dioxide | coming soon μg/m3 |
PM2.5 | coming soon μg/m3 |
PM10 | coming soon μg/m3 |
The table shows data on major pollutant gases |
Daily Air Quality Index
The Daily Air Quality Index informs you about air pollution levels and offers recommended actions and health tips. The definition of each of the indices is given below.
Name | Value |
---|---|
US - EPA standard | |
UK Defra Index | coming soon |
Air Quality Index values |
Hourly Air Quality for for May 21, 2025
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 10.1 ℃
Wind speed 10.4 km
Wind direction NSW
Wind direction 326°
Humidity 82 %
Cloud cover 100 %
Pressure 1019 mb
Precipitation 0.19 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 9.4 ℃
Wind speed 13.3 km
Wind direction NSW
Wind direction 7°
Humidity 87 %
Cloud cover 100 %
Pressure 1018 mb
Precipitation 0.12 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 9.3 ℃
Wind speed 7.9 km
Wind direction NSW
Wind direction 4°
Humidity 93 %
Cloud cover 53 %
Pressure 1018 mb
Precipitation 0.04 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 9.5 ℃
Wind speed 8.3 km
Wind direction NSW
Wind direction 316°
Humidity 91 %
Cloud cover 100 %
Pressure 1018 mb
Precipitation 0.33 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 9.2 ℃
Wind speed 8.3 km
Wind direction NSW
Wind direction 304°
Humidity 95 %
Cloud cover 99 %
Pressure 1017 mb
Precipitation 0.81 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 9 ℃
Wind speed 8.3 km
Wind direction NSW
Wind direction 314°
Humidity 96 %
Cloud cover 100 %
Pressure 1017 mb
Precipitation 1.17 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 8.8 ℃
Wind speed 10.8 km
Wind direction NSW
Wind direction 335°
Humidity 96 %
Cloud cover 100 %
Pressure 1017 mb
Precipitation 1.74 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 8.3 ℃
Wind speed 13.7 km
Wind direction NSW
Wind direction 345°
Humidity 96 %
Cloud cover 100 %
Pressure 1017 mb
Precipitation 1.18 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 8.9 ℃
Wind speed 11.9 km
Wind direction NSW
Wind direction 335°
Humidity 95 %
Cloud cover 100 %
Pressure 1017 mb
Precipitation 0.65 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 10.8 ℃
Wind speed 11.9 km
Wind direction NSW
Wind direction 332°
Humidity 89 %
Cloud cover 84 %
Pressure 1017 mb
Precipitation 0.37 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 12.3 ℃
Wind speed 14 km
Wind direction NSW
Wind direction 354°
Humidity 81 %
Cloud cover 86 %
Pressure 1017 mb
Precipitation 0.55 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 12.9 ℃
Wind speed 18.7 km
Wind direction NSW
Wind direction 7°
Humidity 77 %
Cloud cover 100 %
Pressure 1017 mb
Precipitation 0.46 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 13.3 ℃
Wind speed 17.6 km
Wind direction NSW
Wind direction 3°
Humidity 77 %
Cloud cover 88 %
Pressure 1017 mb
Precipitation 0.36 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 15.1 ℃
Wind speed 17.6 km
Wind direction NSW
Wind direction 5°
Humidity 77 %
Cloud cover 100 %
Pressure 1017 mb
Precipitation 0.89 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 15.3 ℃
Wind speed 18.4 km
Wind direction NSW
Wind direction 16°
Humidity 79 %
Cloud cover 100 %
Pressure 1016 mb
Precipitation 0.81 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 15.4 ℃
Wind speed 17.3 km
Wind direction NSW
Wind direction 18°
Humidity 80 %
Cloud cover 54 %
Pressure 1016 mb
Precipitation 0.31 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 15.9 ℃
Wind speed 18 km
Wind direction NSW
Wind direction 19°
Humidity 78 %
Cloud cover 89 %
Pressure 1016 mb
Precipitation 0.34 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 15.9 ℃
Wind speed 15.5 km
Wind direction NSW
Wind direction 12°
Humidity 78 %
Cloud cover 87 %
Pressure 1016 mb
Precipitation 0.35 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 15.4 ℃
Wind speed 11.2 km
Wind direction NSW
Wind direction 5°
Humidity 78 %
Cloud cover 74 %
Pressure 1016 mb
Precipitation 0.01 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 13.2 ℃
Wind speed 8.3 km
Wind direction NSW
Wind direction 355°
Humidity 82 %
Cloud cover 27 %
Pressure 1017 mb
Precipitation 0 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 10.3 ℃
Wind speed 7.9 km
Wind direction NSW
Wind direction 346°
Humidity 84 %
Cloud cover 17 %
Pressure 1017 mb
Precipitation 0 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 8.9 ℃
Wind speed 7.6 km
Wind direction NSW
Wind direction 356°
Humidity 81 %
Cloud cover 14 %
Pressure 1018 mb
Precipitation 0 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 7.6 ℃
Wind speed 7.6 km
Wind direction NSW
Wind direction 23°
Humidity 94 %
Cloud cover 25 %
Pressure 1018 mb
Precipitation 0 mm
Carbon Monoxide coming soon μg/m3
Ozone coming soon μg/m3
Nitrogen dioxide coming soon μg/m3
Sulphur dioxide coming soon μg/m3
PM2.5 coming soon μg/m3
PM10 coming soon μg/m3
US - EPA standard coming soon
UK Defra Index coming soon
Wind chill 6.7 ℃
Wind speed 7.2 km
Wind direction NSW
Wind direction 45°
Humidity 90 %
Cloud cover 16 %
Pressure 1019 mb
Precipitation 0 mm
Wind Activity and Humidity
Parameter | Value |
---|---|
Wind speed max | 18.7 kph |
Humidity avg | 85 % |
Wind Activity and Humidity |