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 25.7 ℃

Wind speed 2.5 km

Wind direction NSW

Wind direction 65°

Humidity 46 %

Cloud cover 87 %

Pressure 1011 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 25.4 ℃

Wind speed 2.9 km

Wind direction NSW

Wind direction 88°

Humidity 47 %

Cloud cover 71 %

Pressure 1011 mb

Precipitation 0.22 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 24.8 ℃

Wind speed 2.9 km

Wind direction NSW

Wind direction 111°

Humidity 50 %

Cloud cover 85 %

Pressure 1011 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 24.3 ℃

Wind speed 2.2 km

Wind direction NSW

Wind direction 132°

Humidity 54 %

Cloud cover 80 %

Pressure 1011 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 24 ℃

Wind speed 0.7 km

Wind direction NSW

Wind direction 106°

Humidity 56 %

Cloud cover 77 %

Pressure 1011 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 23.6 ℃

Wind speed 0.7 km

Wind direction NSW

Wind direction 209°

Humidity 56 %

Cloud cover 80 %

Pressure 1011 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 23.3 ℃

Wind speed 2.5 km

Wind direction NSW

Wind direction 118°

Humidity 57 %

Cloud cover 88 %

Pressure 1012 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 23.5 ℃

Wind speed 3.6 km

Wind direction NSW

Wind direction 110°

Humidity 69 %

Cloud cover 50 %

Pressure 1019 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 24.7 ℃

Wind speed 1.8 km

Wind direction NSW

Wind direction 125°

Humidity 55 %

Cloud cover 10 %

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 25.5 ℃

Wind speed 4 km

Wind direction NSW

Wind direction 155°

Humidity 49 %

Cloud cover 11 %

Pressure 1014 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 25.2 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 165°

Humidity 43 %

Cloud cover 88 %

Pressure 1014 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 25.7 ℃

Wind speed 6.8 km

Wind direction NSW

Wind direction 166°

Humidity 38 %

Cloud cover 83 %

Pressure 1013 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 26.8 ℃

Wind speed 8.3 km

Wind direction NSW

Wind direction 170°

Humidity 34 %

Cloud cover 70 %

Pressure 1012 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 27.9 ℃

Wind speed 10.4 km

Wind direction NSW

Wind direction 179°

Humidity 31 %

Cloud cover 73 %

Pressure 1011 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 28.4 ℃

Wind speed 11.2 km

Wind direction NSW

Wind direction 183°

Humidity 28 %

Cloud cover 7 %

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 28.7 ℃

Wind speed 10.1 km

Wind direction NSW

Wind direction 178°

Humidity 28 %

Cloud cover 6 %

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 28.8 ℃

Wind speed 5.8 km

Wind direction NSW

Wind direction 199°

Humidity 29 %

Cloud cover 89 %

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 28.5 ℃

Wind speed 5.8 km

Wind direction NSW

Wind direction 243°

Humidity 27 %

Cloud cover 8 %

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 27 ℃

Wind speed 10.4 km

Wind direction NSW

Wind direction 103°

Humidity 27 %

Cloud cover 86 %

Pressure 1006 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 25.5 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 4°

Humidity 34 %

Cloud cover 77 %

Pressure 1006 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 24.2 ℃

Wind speed 6.5 km

Wind direction NSW

Wind direction 47°

Humidity 37 %

Cloud cover 17 %

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 24.8 ℃

Wind speed 3.6 km

Wind direction NSW

Wind direction 4°

Humidity 38 %

Cloud cover 60 %

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 26.3 ℃

Wind speed 5 km

Wind direction NSW

Wind direction 133°

Humidity 36 %

Cloud cover 80 %

Pressure 1010 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 26.9 ℃

Wind speed 3.2 km

Wind direction NSW

Wind direction 105°

Humidity 37 %

Cloud cover 80 %

Pressure 1011 mb

Precipitation 0.01 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 11.2 kph
Humidity avg 42 %