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 0.5 ℃

Wind speed 8.3 km

Wind direction NSW

Wind direction 267°

Humidity 94 %

Cloud cover 2 %

Pressure 1025 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 7.9 km

Wind direction NSW

Wind direction 265°

Humidity 95 %

Cloud cover 28 %

Pressure 1025 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 0.9 ℃

Wind speed 7.2 km

Wind direction NSW

Wind direction 267°

Humidity 95 %

Cloud cover 5 %

Pressure 1025 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 2.5 ℃

Wind speed 6.5 km

Wind direction NSW

Wind direction 262°

Humidity 95 %

Cloud cover 22 %

Pressure 1025 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 2.6 ℃

Wind speed 4.3 km

Wind direction NSW

Wind direction 262°

Humidity 94 %

Cloud cover 14 %

Pressure 1024 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 3.4 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 264°

Humidity 93 %

Cloud cover 48 %

Pressure 1024 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 3.6 km

Wind direction NSW

Wind direction 268°

Humidity 89 %

Cloud cover 0 %

Pressure 1024 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 1.1 km

Wind direction NSW

Wind direction 319°

Humidity 80 %

Cloud cover 55 %

Pressure 1023 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 9.5 ℃

Wind speed 2.2 km

Wind direction NSW

Wind direction 66°

Humidity 71 %

Cloud cover 72 %

Pressure 1023 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 11.9 ℃

Wind speed 3.6 km

Wind direction NSW

Wind direction 113°

Humidity 64 %

Cloud cover 100 %

Pressure 1022 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 13.8 ℃

Wind speed 3.6 km

Wind direction NSW

Wind direction 98°

Humidity 54 %

Cloud cover 100 %

Pressure 1021 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 15.6 ℃

Wind speed 5 km

Wind direction NSW

Wind direction 83°

Humidity 46 %

Cloud cover 28 %

Pressure 1020 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 17.1 ℃

Wind speed 6.1 km

Wind direction NSW

Wind direction 94°

Humidity 41 %

Cloud cover 19 %

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 18.2 ℃

Wind speed 6.5 km

Wind direction NSW

Wind direction 98°

Humidity 38 %

Cloud cover 10 %

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 18.7 ℃

Wind speed 6.5 km

Wind direction NSW

Wind direction 89°

Humidity 36 %

Cloud cover 14 %

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 18.7 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 80°

Humidity 38 %

Cloud cover 69 %

Pressure 1016 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 18.1 ℃

Wind speed 3.6 km

Wind direction NSW

Wind direction 81°

Humidity 39 %

Cloud cover 48 %

Pressure 1016 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 17.3 ℃

Wind speed 0.7 km

Wind direction NSW

Wind direction 272°

Humidity 43 %

Cloud cover 49 %

Pressure 1016 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 15.8 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 269°

Humidity 50 %

Cloud cover 81 %

Pressure 1016 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 13.8 ℃

Wind speed 8.6 km

Wind direction NSW

Wind direction 274°

Humidity 60 %

Cloud cover 91 %

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 11.8 ℃

Wind speed 10.8 km

Wind direction NSW

Wind direction 281°

Humidity 69 %

Cloud cover 94 %

Pressure 1017 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 10.7 ℃

Wind speed 12.6 km

Wind direction NSW

Wind direction 274°

Humidity 73 %

Cloud cover 80 %

Pressure 1018 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 9.4 ℃

Wind speed 10.1 km

Wind direction NSW

Wind direction 275°

Humidity 75 %

Cloud cover 83 %

Pressure 1019 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 9 ℃

Wind speed 7.2 km

Wind direction NSW

Wind direction 274°

Humidity 83 %

Cloud cover 52 %

Pressure 1019 mb

Precipitation 0.01 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 12.6 kph
Humidity avg 67 %