Air Quality Caernarfon
Air Quality for May 18, 2024
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 Caernarfon for May 18, 2024
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 10.4 ℃
Wind speed 3.6 km
Wind direction NSW
Wind direction 43°
Humidity 95 %
Cloud cover 35 %
Pressure 1014 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 10.5 ℃
Wind speed 3.2 km
Wind direction NSW
Wind direction 42°
Humidity 94 %
Cloud cover 22 %
Pressure 1014 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 10.2 ℃
Wind speed 3.6 km
Wind direction NSW
Wind direction 35°
Humidity 93 %
Cloud cover 13 %
Pressure 1014 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 9.6 ℃
Wind speed 4.3 km
Wind direction NSW
Wind direction 31°
Humidity 93 %
Cloud cover 10 %
Pressure 1014 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 9.6 ℃
Wind speed 4.3 km
Wind direction NSW
Wind direction 34°
Humidity 92 %
Cloud cover 26 %
Pressure 1014 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 10.3 ℃
Wind speed 4.7 km
Wind direction NSW
Wind direction 34°
Humidity 92 %
Cloud cover 23 %
Pressure 1014 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 ℃
Wind speed 4.7 km
Wind direction NSW
Wind direction 37°
Humidity 89 %
Cloud cover 19 %
Pressure 1015 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 14.4 ℃
Wind speed 6.8 km
Wind direction NSW
Wind direction 16°
Humidity 84 %
Cloud cover 33 %
Pressure 1015 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 15.5 ℃
Wind speed 9.4 km
Wind direction NSW
Wind direction 9°
Humidity 82 %
Cloud cover 31 %
Pressure 1015 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 16.5 ℃
Wind speed 10.1 km
Wind direction NSW
Wind direction 5°
Humidity 80 %
Cloud cover 73 %
Pressure 1015 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 17.2 ℃
Wind speed 9 km
Wind direction NSW
Wind direction 340°
Humidity 100 %
Cloud cover 100 %
Pressure 1015 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 17.5 ℃
Wind speed 13.3 km
Wind direction NSW
Wind direction 17°
Humidity 76 %
Cloud cover 70 %
Pressure 1015 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 17.8 ℃
Wind speed 14.4 km
Wind direction NSW
Wind direction 18°
Humidity 74 %
Cloud cover 77 %
Pressure 1015 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 17.9 ℃
Wind speed 15.8 km
Wind direction NSW
Wind direction 18°
Humidity 73 %
Cloud cover 88 %
Pressure 1015 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 17.8 ℃
Wind speed 15.1 km
Wind direction NSW
Wind direction 19°
Humidity 72 %
Cloud cover 74 %
Pressure 1015 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 17.8 ℃
Wind speed 14 km
Wind direction NSW
Wind direction 24°
Humidity 72 %
Cloud cover 70 %
Pressure 1015 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 17.5 ℃
Wind speed 12.6 km
Wind direction NSW
Wind direction 30°
Humidity 74 %
Cloud cover 23 %
Pressure 1015 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 17.1 ℃
Wind speed 11.9 km
Wind direction NSW
Wind direction 28°
Humidity 77 %
Cloud cover 87 %
Pressure 1015 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 16.5 ℃
Wind speed 10.4 km
Wind direction NSW
Wind direction 26°
Humidity 81 %
Cloud cover 34 %
Pressure 1015 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 14.2 ℃
Wind speed 9.7 km
Wind direction NSW
Wind direction 22°
Humidity 88 %
Cloud cover 17 %
Pressure 1016 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 10.9 ℃
Wind speed 9.7 km
Wind direction NSW
Wind direction 28°
Humidity 93 %
Cloud cover 16 %
Pressure 1016 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 9.8 ℃
Wind speed 9 km
Wind direction NSW
Wind direction 34°
Humidity 94 %
Cloud cover 17 %
Pressure 1016 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 9 km
Wind direction NSW
Wind direction 39°
Humidity 94 %
Cloud cover 7 %
Pressure 1016 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 9.2 ℃
Wind speed 8.6 km
Wind direction NSW
Wind direction 48°
Humidity 94 %
Cloud cover 9 %
Pressure 1017 mb
Precipitation 0 mm
Wind Activity and Humidity
| Parameter | Value |
|---|---|
| Wind speed max | 15.8 kph |
| Humidity avg | 85 % |
| Wind Activity and Humidity | |