Air Quality

Air Quality

Air Quality for May 4, 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 4, 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 2.1 ℃

Wind speed 15.8 km

Wind direction NSW

Wind direction 278°

Humidity 92 %

Cloud cover 54 %

Pressure 1005 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 1.1 ℃

Wind speed 14.4 km

Wind direction NSW

Wind direction 278°

Humidity 92 %

Cloud cover 61 %

Pressure 1006 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 0.5 ℃

Wind speed 17.6 km

Wind direction NSW

Wind direction 281°

Humidity 92 %

Cloud cover 86 %

Pressure 1006 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 0.1 ℃

Wind speed 18.7 km

Wind direction NSW

Wind direction 286°

Humidity 90 %

Cloud cover 100 %

Pressure 1007 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 0.7 ℃

Wind speed 15.5 km

Wind direction NSW

Wind direction 285°

Humidity 89 %

Cloud cover 86 %

Pressure 1007 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 0.2 ℃

Wind speed 14.4 km

Wind direction NSW

Wind direction 276°

Humidity 91 %

Cloud cover 68 %

Pressure 1008 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 -0.1 ℃

Wind speed 15.5 km

Wind direction NSW

Wind direction 272°

Humidity 92 %

Cloud cover 65 %

Pressure 1008 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 0.8 ℃

Wind speed 17.6 km

Wind direction NSW

Wind direction 277°

Humidity 84 %

Cloud cover 75 %

Pressure 1008 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 1.4 ℃

Wind speed 18.4 km

Wind direction NSW

Wind direction 272°

Humidity 82 %

Cloud cover 82 %

Pressure 1008 mb

Precipitation 0.02 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 2.3 ℃

Wind speed 19.4 km

Wind direction NSW

Wind direction 267°

Humidity 75 %

Cloud cover 89 %

Pressure 1009 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 3 ℃

Wind speed 21.2 km

Wind direction NSW

Wind direction 263°

Humidity 72 %

Cloud cover 46 %

Pressure 1009 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 4.1 ℃

Wind speed 23 km

Wind direction NSW

Wind direction 264°

Humidity 67 %

Cloud cover 47 %

Pressure 1009 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 5.5 ℃

Wind speed 23.8 km

Wind direction NSW

Wind direction 266°

Humidity 58 %

Cloud cover 26 %

Pressure 1009 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 7.5 ℃

Wind speed 23.8 km

Wind direction NSW

Wind direction 264°

Humidity 56 %

Cloud cover 100 %

Pressure 1009 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 23.4 km

Wind direction NSW

Wind direction 259°

Humidity 55 %

Cloud cover 38 %

Pressure 1009 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 8.7 ℃

Wind speed 22.7 km

Wind direction NSW

Wind direction 252°

Humidity 59 %

Cloud cover 50 %

Pressure 1009 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 9.2 ℃

Wind speed 22 km

Wind direction NSW

Wind direction 245°

Humidity 61 %

Cloud cover 67 %

Pressure 1010 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 8.8 ℃

Wind speed 20.2 km

Wind direction NSW

Wind direction 243°

Humidity 66 %

Cloud cover 94 %

Pressure 1009 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 9 ℃

Wind speed 20.5 km

Wind direction NSW

Wind direction 242°

Humidity 41 %

Cloud cover 62 %

Pressure 1007 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 9 ℃

Wind speed 20.2 km

Wind direction NSW

Wind direction 234°

Humidity 70 %

Cloud cover 100 %

Pressure 1008 mb

Precipitation 0.05 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 ℃

Wind speed 21.6 km

Wind direction NSW

Wind direction 239°

Humidity 71 %

Cloud cover 74 %

Pressure 1008 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 6.8 ℃

Wind speed 25.2 km

Wind direction NSW

Wind direction 237°

Humidity 75 %

Cloud cover 100 %

Pressure 1008 mb

Precipitation 0.79 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 6.4 ℃

Wind speed 24.5 km

Wind direction NSW

Wind direction 261°

Humidity 88 %

Cloud cover 100 %

Pressure 1009 mb

Precipitation 1.21 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 6.6 ℃

Wind speed 14 km

Wind direction NSW

Wind direction 281°

Humidity 91 %

Cloud cover 58 %

Pressure 1010 mb

Precipitation 0.31 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 25.2 kph
Humidity avg 76 %