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 13.5 ℃

Wind speed 6.5 km

Wind direction NSW

Wind direction 332°

Humidity 95 %

Cloud cover 61 %

Pressure 1015 mb

Precipitation 1.67 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 13.7 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 340°

Humidity 96 %

Cloud cover 72 %

Pressure 1014 mb

Precipitation 0.85 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 14 ℃

Wind speed 4.3 km

Wind direction NSW

Wind direction 339°

Humidity 96 %

Cloud cover 78 %

Pressure 1014 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 13.7 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 334°

Humidity 96 %

Cloud cover 91 %

Pressure 1014 mb

Precipitation 0.38 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 13.6 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 324°

Humidity 97 %

Cloud cover 100 %

Pressure 1013 mb

Precipitation 0.59 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 13.5 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 322°

Humidity 97 %

Cloud cover 100 %

Pressure 1013 mb

Precipitation 1.35 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 13.5 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 317°

Humidity 97 %

Cloud cover 100 %

Pressure 1013 mb

Precipitation 2.68 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 4.3 km

Wind direction NSW

Wind direction 292°

Humidity 96 %

Cloud cover 100 %

Pressure 1014 mb

Precipitation 2.55 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 13.9 ℃

Wind speed 5 km

Wind direction NSW

Wind direction 305°

Humidity 93 %

Cloud cover 100 %

Pressure 1014 mb

Precipitation 0.28 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 13.2 ℃

Wind speed 7.6 km

Wind direction NSW

Wind direction 312°

Humidity 95 %

Cloud cover 100 %

Pressure 1014 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 12.7 ℃

Wind speed 9.7 km

Wind direction NSW

Wind direction 312°

Humidity 95 %

Cloud cover 100 %

Pressure 1014 mb

Precipitation 0.34 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 12.7 ℃

Wind speed 11.2 km

Wind direction NSW

Wind direction 316°

Humidity 93 %

Cloud cover 100 %

Pressure 1014 mb

Precipitation 0.32 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 13.1 ℃

Wind speed 10.8 km

Wind direction NSW

Wind direction 321°

Humidity 90 %

Cloud cover 100 %

Pressure 1014 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 13.7 ℃

Wind speed 9 km

Wind direction NSW

Wind direction 329°

Humidity 87 %

Cloud cover 80 %

Pressure 1014 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 15.1 ℃

Wind speed 5 km

Wind direction NSW

Wind direction 348°

Humidity 81 %

Cloud cover 32 %

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 16.7 ℃

Wind speed 3.6 km

Wind direction NSW

Wind direction 15°

Humidity 43 %

Cloud cover 0 %

Pressure 1012 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 1.4 km

Wind direction NSW

Wind direction 264°

Humidity 62 %

Cloud cover 70 %

Pressure 1012 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 18.4 ℃

Wind speed 3.2 km

Wind direction NSW

Wind direction 245°

Humidity 58 %

Cloud cover 70 %

Pressure 1012 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 18.1 ℃

Wind speed 2.2 km

Wind direction NSW

Wind direction 240°

Humidity 62 %

Cloud cover 83 %

Pressure 1011 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 16 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 291°

Humidity 71 %

Cloud cover 100 %

Pressure 1011 mb

Precipitation 0.12 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 14.1 ℃

Wind speed 7.9 km

Wind direction NSW

Wind direction 296°

Humidity 71 %

Cloud cover 64 %

Pressure 1012 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 13.1 ℃

Wind speed 7.6 km

Wind direction NSW

Wind direction 302°

Humidity 68 %

Cloud cover 47 %

Pressure 1012 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 12.2 ℃

Wind speed 7.2 km

Wind direction NSW

Wind direction 300°

Humidity 66 %

Cloud cover 50 %

Pressure 1012 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 ℃

Wind speed 8.6 km

Wind direction NSW

Wind direction 309°

Humidity 67 %

Cloud cover 49 %

Pressure 1013 mb

Precipitation 0 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 11.2 kph
Humidity avg 83 %