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 |
The table shows data on major pollutant gases |
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 |
Air Quality Index values |
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 -16.3 ℃
Wind speed 13.3 km
Wind direction NSW
Wind direction 120°
Humidity 88 %
Cloud cover 100 %
Pressure 1028 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 ℃
Wind speed 12.6 km
Wind direction NSW
Wind direction 120°
Humidity 89 %
Cloud cover 31 %
Pressure 1028 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 -18.4 ℃
Wind speed 13.3 km
Wind direction NSW
Wind direction 124°
Humidity 90 %
Cloud cover 17 %
Pressure 1029 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 -18.1 ℃
Wind speed 13 km
Wind direction NSW
Wind direction 129°
Humidity 90 %
Cloud cover 41 %
Pressure 1029 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 -18.6 ℃
Wind speed 12.6 km
Wind direction NSW
Wind direction 130°
Humidity 90 %
Cloud cover 43 %
Pressure 1029 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 -18.1 ℃
Wind speed 11.5 km
Wind direction NSW
Wind direction 129°
Humidity 89 %
Cloud cover 31 %
Pressure 1029 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 9.7 km
Wind direction NSW
Wind direction 126°
Humidity 87 %
Cloud cover 12 %
Pressure 1029 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 -12.8 ℃
Wind speed 7.6 km
Wind direction NSW
Wind direction 127°
Humidity 85 %
Cloud cover 6 %
Pressure 1029 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 -9.5 ℃
Wind speed 4.7 km
Wind direction NSW
Wind direction 120°
Humidity 81 %
Cloud cover 4 %
Pressure 1029 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 -6 ℃
Wind speed 1.4 km
Wind direction NSW
Wind direction 109°
Humidity 77 %
Cloud cover 6 %
Pressure 1029 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 -5.3 ℃
Wind speed 3.6 km
Wind direction NSW
Wind direction 290°
Humidity 75 %
Cloud cover 3 %
Pressure 1029 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 -6.5 ℃
Wind speed 4 km
Wind direction NSW
Wind direction 300°
Humidity 73 %
Cloud cover 5 %
Pressure 1029 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 -6.4 ℃
Wind speed 4.3 km
Wind direction NSW
Wind direction 297°
Humidity 71 %
Cloud cover 3 %
Pressure 1029 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 -5.6 ℃
Wind speed 3.6 km
Wind direction NSW
Wind direction 297°
Humidity 69 %
Cloud cover 17 %
Pressure 1029 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 3.2 km
Wind direction NSW
Wind direction 283°
Humidity 68 %
Cloud cover 8 %
Pressure 1030 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 2.5 km
Wind direction NSW
Wind direction 265°
Humidity 72 %
Cloud cover 97 %
Pressure 1030 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 -3.7 ℃
Wind speed 3.2 km
Wind direction NSW
Wind direction 288°
Humidity 77 %
Cloud cover 3 %
Pressure 1030 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 -4.1 ℃
Wind speed 3.6 km
Wind direction NSW
Wind direction 278°
Humidity 79 %
Cloud cover 26 %
Pressure 1030 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 -3.7 ℃
Wind speed 1.8 km
Wind direction NSW
Wind direction 259°
Humidity 79 %
Cloud cover 47 %
Pressure 1030 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 -7 ℃
Wind speed 4.7 km
Wind direction NSW
Wind direction 173°
Humidity 78 %
Cloud cover 84 %
Pressure 1030 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 -8.2 ℃
Wind speed 5.8 km
Wind direction NSW
Wind direction 160°
Humidity 78 %
Cloud cover 56 %
Pressure 1030 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 -10.6 ℃
Wind speed 6.8 km
Wind direction NSW
Wind direction 161°
Humidity 75 %
Cloud cover 71 %
Pressure 1030 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 -11.2 ℃
Wind speed 7.9 km
Wind direction NSW
Wind direction 156°
Humidity 72 %
Cloud cover 100 %
Pressure 1030 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 -11.8 ℃
Wind speed 8.3 km
Wind direction NSW
Wind direction 152°
Humidity 70 %
Cloud cover 47 %
Pressure 1030 mb
Precipitation 0 mm
Wind Activity and Humidity
Parameter | Value |
---|---|
Wind speed max | 13.3 kph |
Humidity avg | 79 % |
Wind Activity and Humidity |