Air Quality

Air Quality

Air Quality for July 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 July 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 21.6 ℃

Wind speed 5 km

Wind direction NSW

Wind direction 28°

Humidity 97 %

Cloud cover 73 %

Pressure 1003 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 22.2 ℃

Wind speed 5 km

Wind direction NSW

Wind direction 22°

Humidity 97 %

Cloud cover 87 %

Pressure 1003 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 22.3 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 59°

Humidity 99 %

Cloud cover 100 %

Pressure 1003 mb

Precipitation 2.58 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 21.8 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 0°

Humidity 98 %

Cloud cover 100 %

Pressure 1002 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 21.8 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 14°

Humidity 98 %

Cloud cover 94 %

Pressure 1002 mb

Precipitation 0.27 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 22.8 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 32°

Humidity 99 %

Cloud cover 98 %

Pressure 1003 mb

Precipitation 0.48 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 5 km

Wind direction NSW

Wind direction 23°

Humidity 99 %

Cloud cover 100 %

Pressure 1003 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 24.1 ℃

Wind speed 5.8 km

Wind direction NSW

Wind direction 23°

Humidity 98 %

Cloud cover 100 %

Pressure 1003 mb

Precipitation 0.69 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 24.7 ℃

Wind speed 4.7 km

Wind direction NSW

Wind direction 20°

Humidity 98 %

Cloud cover 100 %

Pressure 1004 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 25.7 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 24°

Humidity 95 %

Cloud cover 86 %

Pressure 1004 mb

Precipitation 0.77 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 25.1 ℃

Wind speed 5.8 km

Wind direction NSW

Wind direction 36°

Humidity 97 %

Cloud cover 80 %

Pressure 1004 mb

Precipitation 0.23 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 27.8 ℃

Wind speed 9.4 km

Wind direction NSW

Wind direction 47°

Humidity 90 %

Cloud cover 78 %

Pressure 1003 mb

Precipitation 1.39 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 28.3 ℃

Wind speed 10.8 km

Wind direction NSW

Wind direction 52°

Humidity 90 %

Cloud cover 65 %

Pressure 1002 mb

Precipitation 1.9 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 28.8 ℃

Wind speed 11.9 km

Wind direction NSW

Wind direction 53°

Humidity 87 %

Cloud cover 80 %

Pressure 1002 mb

Precipitation 2.25 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 29.1 ℃

Wind speed 13 km

Wind direction NSW

Wind direction 55°

Humidity 85 %

Cloud cover 74 %

Pressure 1002 mb

Precipitation 1.46 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 29.5 ℃

Wind speed 13.3 km

Wind direction NSW

Wind direction 56°

Humidity 81 %

Cloud cover 66 %

Pressure 1001 mb

Precipitation 1.75 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 28.1 ℃

Wind speed 11.2 km

Wind direction NSW

Wind direction 55°

Humidity 84 %

Cloud cover 73 %

Pressure 1001 mb

Precipitation 0.84 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 26.3 ℃

Wind speed 10.1 km

Wind direction NSW

Wind direction 56°

Humidity 85 %

Cloud cover 75 %

Pressure 1001 mb

Precipitation 1.19 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 24.9 ℃

Wind speed 10.1 km

Wind direction NSW

Wind direction 55°

Humidity 90 %

Cloud cover 84 %

Pressure 1001 mb

Precipitation 0.86 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 22.9 ℃

Wind speed 8.3 km

Wind direction NSW

Wind direction 57°

Humidity 93 %

Cloud cover 75 %

Pressure 1001 mb

Precipitation 0.74 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 21.5 ℃

Wind speed 7.2 km

Wind direction NSW

Wind direction 42°

Humidity 96 %

Cloud cover 57 %

Pressure 1002 mb

Precipitation 0.3 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 ℃

Wind speed 6.8 km

Wind direction NSW

Wind direction 28°

Humidity 97 %

Cloud cover 67 %

Pressure 1003 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 20.8 ℃

Wind speed 6.1 km

Wind direction NSW

Wind direction 21°

Humidity 97 %

Cloud cover 63 %

Pressure 1003 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 20.6 ℃

Wind speed 5.4 km

Wind direction NSW

Wind direction 28°

Humidity 97 %

Cloud cover 65 %

Pressure 1003 mb

Precipitation 1.18 mm

Wind Activity and Humidity

Parameter Value
Wind speed max 13.3 kph
Humidity avg 94 %