Air Quality

Air Quality

Air Quality for September 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 September 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 25.9 ℃

Wind speed 6.8 km

Wind direction NSW

Wind direction 342°

Humidity 84 %

Cloud cover 71 %

Pressure 1007 mb

Precipitation 0.66 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 25.7 ℃

Wind speed 6.1 km

Wind direction NSW

Wind direction 344°

Humidity 83 %

Cloud cover 24 %

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 25.6 ℃

Wind speed 4.3 km

Wind direction NSW

Wind direction 341°

Humidity 84 %

Cloud cover 26 %

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 25.5 ℃

Wind speed 4.3 km

Wind direction NSW

Wind direction 332°

Humidity 84 %

Cloud cover 18 %

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 25.3 ℃

Wind speed 3.6 km

Wind direction NSW

Wind direction 319°

Humidity 84 %

Cloud cover 21 %

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 25 ℃

Wind speed 2.9 km

Wind direction NSW

Wind direction 324°

Humidity 85 %

Cloud cover 31 %

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 25 ℃

Wind speed 2.9 km

Wind direction NSW

Wind direction 357°

Humidity 85 %

Cloud cover 26 %

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 26.2 ℃

Wind speed 1.1 km

Wind direction NSW

Wind direction 330°

Humidity 83 %

Cloud cover 72 %

Pressure 1008 mb

Precipitation 0.91 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 27.2 ℃

Wind speed 3.2 km

Wind direction NSW

Wind direction 269°

Humidity 80 %

Cloud cover 24 %

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 29.2 ℃

Wind speed 5.8 km

Wind direction NSW

Wind direction 262°

Humidity 72 %

Cloud cover 15 %

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 31 ℃

Wind speed 10.1 km

Wind direction NSW

Wind direction 244°

Humidity 64 %

Cloud cover 19 %

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 32.4 ℃

Wind speed 13.7 km

Wind direction NSW

Wind direction 236°

Humidity 58 %

Cloud cover 70 %

Pressure 1007 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 33 ℃

Wind speed 16.2 km

Wind direction NSW

Wind direction 230°

Humidity 56 %

Cloud cover 72 %

Pressure 1006 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 33 ℃

Wind speed 17.3 km

Wind direction NSW

Wind direction 227°

Humidity 57 %

Cloud cover 74 %

Pressure 1005 mb

Precipitation 0.07 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 32.5 ℃

Wind speed 16.9 km

Wind direction NSW

Wind direction 228°

Humidity 60 %

Cloud cover 62 %

Pressure 1004 mb

Precipitation 0.14 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 32 ℃

Wind speed 16.2 km

Wind direction NSW

Wind direction 232°

Humidity 63 %

Cloud cover 85 %

Pressure 1004 mb

Precipitation 0.13 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 31.3 ℃

Wind speed 13.7 km

Wind direction NSW

Wind direction 238°

Humidity 67 %

Cloud cover 84 %

Pressure 1003 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 30.2 ℃

Wind speed 11.5 km

Wind direction NSW

Wind direction 245°

Humidity 72 %

Cloud cover 77 %

Pressure 1004 mb

Precipitation 0.15 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 28.3 ℃

Wind speed 8.3 km

Wind direction NSW

Wind direction 259°

Humidity 80 %

Cloud cover 76 %

Pressure 1004 mb

Precipitation 0.29 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 27.4 ℃

Wind speed 6.1 km

Wind direction NSW

Wind direction 281°

Humidity 83 %

Cloud cover 87 %

Pressure 1005 mb

Precipitation 0.27 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 26.7 ℃

Wind speed 6.8 km

Wind direction NSW

Wind direction 290°

Humidity 85 %

Cloud cover 73 %

Pressure 1006 mb

Precipitation 0.63 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 26.7 ℃

Wind speed 8.3 km

Wind direction NSW

Wind direction 296°

Humidity 85 %

Cloud cover 79 %

Pressure 1007 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 26.3 ℃

Wind speed 7.6 km

Wind direction NSW

Wind direction 294°

Humidity 85 %

Cloud cover 36 %

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 26.1 ℃

Wind speed 7.6 km

Wind direction NSW

Wind direction 301°

Humidity 85 %

Cloud cover 71 %

Pressure 1007 mb

Precipitation 0.02 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 17.3 kph
Humidity avg 76 %