Air Quality

Air Quality

Air Quality for May 4, 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 4, 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 -2.7 ℃

Wind speed 11.5 km

Wind direction NSW

Wind direction 295°

Humidity 91 %

Cloud cover 23 %

Pressure 995 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 ℃

Wind speed 10.1 km

Wind direction NSW

Wind direction 310°

Humidity 93 %

Cloud cover 25 %

Pressure 995 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 -3.6 ℃

Wind speed 7.6 km

Wind direction NSW

Wind direction 307°

Humidity 94 %

Cloud cover 39 %

Pressure 996 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 -4.3 ℃

Wind speed 8.6 km

Wind direction NSW

Wind direction 305°

Humidity 93 %

Cloud cover 50 %

Pressure 997 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 -5.1 ℃

Wind speed 11.5 km

Wind direction NSW

Wind direction 321°

Humidity 89 %

Cloud cover 25 %

Pressure 997 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 -5.1 ℃

Wind speed 13.3 km

Wind direction NSW

Wind direction 312°

Humidity 87 %

Cloud cover 51 %

Pressure 996 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 -4.5 ℃

Wind speed 15.5 km

Wind direction NSW

Wind direction 317°

Humidity 83 %

Cloud cover 100 %

Pressure 997 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 -4.6 ℃

Wind speed 17.6 km

Wind direction NSW

Wind direction 323°

Humidity 77 %

Cloud cover 100 %

Pressure 998 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 -4.7 ℃

Wind speed 17.3 km

Wind direction NSW

Wind direction 320°

Humidity 73 %

Cloud cover 100 %

Pressure 998 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 -4.2 ℃

Wind speed 16.2 km

Wind direction NSW

Wind direction 316°

Humidity 73 %

Cloud cover 100 %

Pressure 999 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 -3.6 ℃

Wind speed 18 km

Wind direction NSW

Wind direction 317°

Humidity 67 %

Cloud cover 100 %

Pressure 999 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 -2.8 ℃

Wind speed 18.7 km

Wind direction NSW

Wind direction 317°

Humidity 64 %

Cloud cover 100 %

Pressure 1000 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 -1.8 ℃

Wind speed 20.9 km

Wind direction NSW

Wind direction 317°

Humidity 56 %

Cloud cover 95 %

Pressure 1000 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 -0.7 ℃

Wind speed 20.2 km

Wind direction NSW

Wind direction 317°

Humidity 45 %

Cloud cover 73 %

Pressure 1000 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 -0.5 ℃

Wind speed 23.4 km

Wind direction NSW

Wind direction 323°

Humidity 42 %

Cloud cover 83 %

Pressure 1001 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 -1.4 ℃

Wind speed 23 km

Wind direction NSW

Wind direction 324°

Humidity 49 %

Cloud cover 75 %

Pressure 1001 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 -2.3 ℃

Wind speed 20.5 km

Wind direction NSW

Wind direction 319°

Humidity 59 %

Cloud cover 89 %

Pressure 1002 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 -3.1 ℃

Wind speed 19.8 km

Wind direction NSW

Wind direction 313°

Humidity 66 %

Cloud cover 66 %

Pressure 1002 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 -4.7 ℃

Wind speed 19.4 km

Wind direction NSW

Wind direction 309°

Humidity 77 %

Cloud cover 100 %

Pressure 1002 mb

Precipitation 0.13 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 -6 ℃

Wind speed 19.1 km

Wind direction NSW

Wind direction 305°

Humidity 87 %

Cloud cover 100 %

Pressure 1002 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 -6.4 ℃

Wind speed 18.7 km

Wind direction NSW

Wind direction 304°

Humidity 90 %

Cloud cover 100 %

Pressure 1002 mb

Precipitation 0.13 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 -6.6 ℃

Wind speed 18.7 km

Wind direction NSW

Wind direction 307°

Humidity 90 %

Cloud cover 100 %

Pressure 1001 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 -7 ℃

Wind speed 18.7 km

Wind direction NSW

Wind direction 310°

Humidity 90 %

Cloud cover 100 %

Pressure 1001 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 -7.1 ℃

Wind speed 19.1 km

Wind direction NSW

Wind direction 314°

Humidity 80 %

Cloud cover 100 %

Pressure 1001 mb

Precipitation 0.1 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 23.4 kph
Humidity avg 76 %