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 18.1 ℃

Wind speed 9.7 km

Wind direction NSW

Wind direction 353°

Humidity 64 %

Cloud cover 1 %

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 16.9 ℃

Wind speed 8.3 km

Wind direction NSW

Wind direction 348°

Humidity 71 %

Cloud cover 2 %

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 16 ℃

Wind speed 5.8 km

Wind direction NSW

Wind direction 2°

Humidity 76 %

Cloud cover 2 %

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 15.6 ℃

Wind speed 5.8 km

Wind direction NSW

Wind direction 23°

Humidity 78 %

Cloud cover 3 %

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 15.3 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 353°

Humidity 78 %

Cloud cover 4 %

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 15.3 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 12°

Humidity 78 %

Cloud cover 3 %

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 15.1 ℃

Wind speed 5.8 km

Wind direction NSW

Wind direction 8°

Humidity 76 %

Cloud cover 3 %

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 15.1 ℃

Wind speed 6.5 km

Wind direction NSW

Wind direction 9°

Humidity 70 %

Cloud cover 3 %

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 16.2 ℃

Wind speed 7.6 km

Wind direction NSW

Wind direction 353°

Humidity 63 %

Cloud cover 3 %

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 17.5 ℃

Wind speed 6.5 km

Wind direction NSW

Wind direction 20°

Humidity 57 %

Cloud cover 3 %

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 19.4 ℃

Wind speed 5 km

Wind direction NSW

Wind direction 14°

Humidity 51 %

Cloud cover 5 %

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 21.1 ℃

Wind speed 3.2 km

Wind direction NSW

Wind direction 5°

Humidity 46 %

Cloud cover 89 %

Pressure 1017 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 23 ℃

Wind speed 3.2 km

Wind direction NSW

Wind direction 27°

Humidity 42 %

Cloud cover 71 %

Pressure 1016 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 24.1 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 358°

Humidity 39 %

Cloud cover 88 %

Pressure 1015 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 24.1 ℃

Wind speed 7.6 km

Wind direction NSW

Wind direction 317°

Humidity 39 %

Cloud cover 86 %

Pressure 1015 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 23.9 ℃

Wind speed 10.1 km

Wind direction NSW

Wind direction 314°

Humidity 40 %

Cloud cover 16 %

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 23.6 ℃

Wind speed 7.2 km

Wind direction NSW

Wind direction 310°

Humidity 40 %

Cloud cover 16 %

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 24.3 ℃

Wind speed 6.5 km

Wind direction NSW

Wind direction 305°

Humidity 38 %

Cloud cover 79 %

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 24.3 ℃

Wind speed 4 km

Wind direction NSW

Wind direction 339°

Humidity 37 %

Cloud cover 18 %

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 23.2 ℃

Wind speed 9.4 km

Wind direction NSW

Wind direction 45°

Humidity 42 %

Cloud cover 18 %

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 21.7 ℃

Wind speed 12.2 km

Wind direction NSW

Wind direction 50°

Humidity 51 %

Cloud cover 16 %

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 20.2 ℃

Wind speed 11.9 km

Wind direction NSW

Wind direction 58°

Humidity 58 %

Cloud cover 8 %

Pressure 1015 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 ℃

Wind speed 9.7 km

Wind direction NSW

Wind direction 70°

Humidity 64 %

Cloud cover 5 %

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 18.2 ℃

Wind speed 6.1 km

Wind direction NSW

Wind direction 55°

Humidity 67 %

Cloud cover 6 %

Pressure 1016 mb

Precipitation 0 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 12.2 kph
Humidity avg 57 %