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 -18 ℃
Wind speed 6.1 km
Wind direction NSW
Wind direction 247°
Humidity 78 %
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 -18 ℃
Wind speed 5.8 km
Wind direction NSW
Wind direction 247°
Humidity 80 %
Cloud cover 2 %
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 -17.8 ℃
Wind speed 5.8 km
Wind direction NSW
Wind direction 244°
Humidity 79 %
Cloud cover 8 %
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 -16.4 ℃
Wind speed 5 km
Wind direction NSW
Wind direction 242°
Humidity 79 %
Cloud cover 18 %
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 -13.7 ℃
Wind speed 3.6 km
Wind direction NSW
Wind direction 242°
Humidity 80 %
Cloud cover 15 %
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 -11.6 ℃
Wind speed 3.6 km
Wind direction NSW
Wind direction 250°
Humidity 78 %
Cloud cover 0 %
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 -7.6 ℃
Wind speed 1.1 km
Wind direction NSW
Wind direction 318°
Humidity 74 %
Cloud cover 98 %
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 -6.6 ℃
Wind speed 0.7 km
Wind direction NSW
Wind direction 267°
Humidity 73 %
Cloud cover 92 %
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 -5.8 ℃
Wind speed 2.2 km
Wind direction NSW
Wind direction 17°
Humidity 71 %
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 -6.5 ℃
Wind speed 3.6 km
Wind direction NSW
Wind direction 24°
Humidity 70 %
Cloud cover 44 %
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 -6.2 ℃
Wind speed 4 km
Wind direction NSW
Wind direction 31°
Humidity 70 %
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 -5.8 ℃
Wind speed 4.3 km
Wind direction NSW
Wind direction 24°
Humidity 70 %
Cloud cover 54 %
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 -5.8 ℃
Wind speed 5 km
Wind direction NSW
Wind direction 11°
Humidity 72 %
Cloud cover 26 %
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 -6.3 ℃
Wind speed 6.8 km
Wind direction NSW
Wind direction 359°
Humidity 74 %
Cloud cover 22 %
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 -7.3 ℃
Wind speed 9 km
Wind direction NSW
Wind direction 350°
Humidity 76 %
Cloud cover 30 %
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 -8.2 ℃
Wind speed 10.4 km
Wind direction NSW
Wind direction 346°
Humidity 79 %
Cloud cover 18 %
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 -8.9 ℃
Wind speed 10.4 km
Wind direction NSW
Wind direction 339°
Humidity 79 %
Cloud cover 9 %
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 -9.9 ℃
Wind speed 9.4 km
Wind direction NSW
Wind direction 329°
Humidity 83 %
Cloud cover 8 %
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 -11.7 ℃
Wind speed 7.2 km
Wind direction NSW
Wind direction 308°
Humidity 85 %
Cloud cover 6 %
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 -13.5 ℃
Wind speed 7.2 km
Wind direction NSW
Wind direction 297°
Humidity 85 %
Cloud cover 6 %
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 -14.9 ℃
Wind speed 7.2 km
Wind direction NSW
Wind direction 280°
Humidity 84 %
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 -16.2 ℃
Wind speed 7.9 km
Wind direction NSW
Wind direction 274°
Humidity 83 %
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 -16.9 ℃
Wind speed 7.9 km
Wind direction NSW
Wind direction 265°
Humidity 82 %
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 -17 ℃
Wind speed 7.6 km
Wind direction NSW
Wind direction 263°
Humidity 81 %
Cloud cover 0 %
Pressure 1029 mb
Precipitation 0 mm
Wind Activity and Humidity
Parameter | Value |
---|---|
Wind speed max | 10.4 kph |
Humidity avg | 78 % |
Wind Activity and Humidity |