Air Quality

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

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

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 16.3 ℃

Wind speed 8.3 km

Wind direction NSW

Wind direction 60°

Humidity 88 %

Cloud cover 77 %

Pressure 1016 mb

Precipitation 1.61 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 16.1 ℃

Wind speed 7.2 km

Wind direction NSW

Wind direction 165°

Humidity 88 %

Cloud cover 78 %

Pressure 1016 mb

Precipitation 0.49 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 16.5 ℃

Wind speed 16.9 km

Wind direction NSW

Wind direction 147°

Humidity 89 %

Cloud cover 63 %

Pressure 1016 mb

Precipitation 0.24 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 16.3 ℃

Wind speed 16.2 km

Wind direction NSW

Wind direction 102°

Humidity 89 %

Cloud cover 57 %

Pressure 1015 mb

Precipitation 0.59 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 16.3 ℃

Wind speed 16.9 km

Wind direction NSW

Wind direction 104°

Humidity 88 %

Cloud cover 94 %

Pressure 1014 mb

Precipitation 0.47 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 16.7 ℃

Wind speed 18.7 km

Wind direction NSW

Wind direction 123°

Humidity 86 %

Cloud cover 63 %

Pressure 1013 mb

Precipitation 0.2 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 17.1 ℃

Wind speed 20.5 km

Wind direction NSW

Wind direction 132°

Humidity 86 %

Cloud cover 77 %

Pressure 1013 mb

Precipitation 0.1 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 18 ℃

Wind speed 21.6 km

Wind direction NSW

Wind direction 129°

Humidity 82 %

Cloud cover 100 %

Pressure 1013 mb

Precipitation 0.03 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 18.5 ℃

Wind speed 25.6 km

Wind direction NSW

Wind direction 136°

Humidity 79 %

Cloud cover 100 %

Pressure 1013 mb

Precipitation 0.18 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 18 ℃

Wind speed 29.2 km

Wind direction NSW

Wind direction 138°

Humidity 82 %

Cloud cover 100 %

Pressure 1013 mb

Precipitation 0.75 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 17.7 ℃

Wind speed 24.8 km

Wind direction NSW

Wind direction 126°

Humidity 85 %

Cloud cover 100 %

Pressure 1013 mb

Precipitation 0.56 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 18.3 ℃

Wind speed 22.3 km

Wind direction NSW

Wind direction 122°

Humidity 64 %

Cloud cover 37 %

Pressure 1012 mb

Precipitation 0.48 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 19.7 ℃

Wind speed 13.3 km

Wind direction NSW

Wind direction 157°

Humidity 79 %

Cloud cover 79 %

Pressure 1013 mb

Precipitation 0.26 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 19.2 ℃

Wind speed 16.9 km

Wind direction NSW

Wind direction 237°

Humidity 79 %

Cloud cover 76 %

Pressure 1013 mb

Precipitation 0.57 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 19.5 ℃

Wind speed 19.1 km

Wind direction NSW

Wind direction 252°

Humidity 74 %

Cloud cover 34 %

Pressure 1013 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 19.8 ℃

Wind speed 17.6 km

Wind direction NSW

Wind direction 240°

Humidity 74 %

Cloud cover 71 %

Pressure 1012 mb

Precipitation 0.09 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 19.7 ℃

Wind speed 15.8 km

Wind direction NSW

Wind direction 235°

Humidity 76 %

Cloud cover 89 %

Pressure 1012 mb

Precipitation 0.21 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 19.6 ℃

Wind speed 14.8 km

Wind direction NSW

Wind direction 232°

Humidity 75 %

Cloud cover 88 %

Pressure 1012 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 19.2 ℃

Wind speed 15.1 km

Wind direction NSW

Wind direction 241°

Humidity 78 %

Cloud cover 77 %

Pressure 1012 mb

Precipitation 0.1 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 18.3 ℃

Wind speed 14 km

Wind direction NSW

Wind direction 246°

Humidity 83 %

Cloud cover 70 %

Pressure 1012 mb

Precipitation 0.09 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 17.4 ℃

Wind speed 11.2 km

Wind direction NSW

Wind direction 248°

Humidity 86 %

Cloud cover 77 %

Pressure 1012 mb

Precipitation 0.17 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 17.1 ℃

Wind speed 6.1 km

Wind direction NSW

Wind direction 236°

Humidity 86 %

Cloud cover 86 %

Pressure 1013 mb

Precipitation 0.26 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 17 ℃

Wind speed 2.9 km

Wind direction NSW

Wind direction 169°

Humidity 87 %

Cloud cover 71 %

Pressure 1013 mb

Precipitation 0.06 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 16.7 ℃

Wind speed 3.6 km

Wind direction NSW

Wind direction 175°

Humidity 87 %

Cloud cover 71 %

Pressure 1013 mb

Precipitation 0.07 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 29.2 kph
Humidity avg 83 %