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 2.5 ℃

Wind speed 28.1 km

Wind direction NSW

Wind direction 343°

Humidity 74 %

Cloud cover 100 %

Pressure 1016 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 2.2 ℃

Wind speed 27.4 km

Wind direction NSW

Wind direction 335°

Humidity 74 %

Cloud cover 100 %

Pressure 1015 mb

Precipitation 0.08 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 1.9 ℃

Wind speed 26.6 km

Wind direction NSW

Wind direction 332°

Humidity 76 %

Cloud cover 100 %

Pressure 1015 mb

Precipitation 0.11 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 ℃

Wind speed 25.2 km

Wind direction NSW

Wind direction 325°

Humidity 75 %

Cloud cover 97 %

Pressure 1014 mb

Precipitation 0.2 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 ℃

Wind speed 27.7 km

Wind direction NSW

Wind direction 324°

Humidity 82 %

Cloud cover 100 %

Pressure 1013 mb

Precipitation 0.64 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 33.1 km

Wind direction NSW

Wind direction 335°

Humidity 96 %

Cloud cover 100 %

Pressure 1013 mb

Precipitation 0.98 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 31.3 km

Wind direction NSW

Wind direction 352°

Humidity 89 %

Cloud cover 100 %

Pressure 1013 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 0.5 ℃

Wind speed 29.9 km

Wind direction NSW

Wind direction 352°

Humidity 79 %

Cloud cover 100 %

Pressure 1012 mb

Precipitation 0.41 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 30.6 km

Wind direction NSW

Wind direction 0°

Humidity 78 %

Cloud cover 100 %

Pressure 1012 mb

Precipitation 0.35 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 30.2 km

Wind direction NSW

Wind direction 10°

Humidity 79 %

Cloud cover 100 %

Pressure 1012 mb

Precipitation 0.46 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 ℃

Wind speed 32 km

Wind direction NSW

Wind direction 8°

Humidity 77 %

Cloud cover 100 %

Pressure 1012 mb

Precipitation 0.33 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 1.5 ℃

Wind speed 32 km

Wind direction NSW

Wind direction 10°

Humidity 74 %

Cloud cover 82 %

Pressure 1013 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 1.6 ℃

Wind speed 36 km

Wind direction NSW

Wind direction 11°

Humidity 73 %

Cloud cover 88 %

Pressure 1013 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 1.6 ℃

Wind speed 37.1 km

Wind direction NSW

Wind direction 18°

Humidity 74 %

Cloud cover 71 %

Pressure 1013 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 2.4 ℃

Wind speed 35.6 km

Wind direction NSW

Wind direction 22°

Humidity 74 %

Cloud cover 80 %

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 3.3 ℃

Wind speed 31 km

Wind direction NSW

Wind direction 26°

Humidity 73 %

Cloud cover 81 %

Pressure 1014 mb

Precipitation 0.04 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 2.9 ℃

Wind speed 34.2 km

Wind direction NSW

Wind direction 17°

Humidity 53 %

Cloud cover 25 %

Pressure 1011 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 2.6 ℃

Wind speed 35.3 km

Wind direction NSW

Wind direction 14°

Humidity 76 %

Cloud cover 72 %

Pressure 1015 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 2.5 ℃

Wind speed 37.8 km

Wind direction NSW

Wind direction 13°

Humidity 77 %

Cloud cover 21 %

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 2.3 ℃

Wind speed 36 km

Wind direction NSW

Wind direction 20°

Humidity 77 %

Cloud cover 17 %

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 2.1 ℃

Wind speed 35.3 km

Wind direction NSW

Wind direction 17°

Humidity 75 %

Cloud cover 21 %

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 2.3 ℃

Wind speed 34.2 km

Wind direction NSW

Wind direction 18°

Humidity 74 %

Cloud cover 21 %

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 2.7 ℃

Wind speed 29.9 km

Wind direction NSW

Wind direction 19°

Humidity 74 %

Cloud cover 25 %

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 2.9 ℃

Wind speed 26.3 km

Wind direction NSW

Wind direction 18°

Humidity 73 %

Cloud cover 30 %

Pressure 1018 mb

Precipitation 0 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 37.8 kph
Humidity avg 77 %