Citeureup air quality
Updated 30/09, 20:17
The data may not be up to date.
Current AQI
US EPA scale · observed at 20:00
178
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 124,3 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 124,8 µg/m³ | Particles ≤ 10 µm |
| O₃ | 19 µg/m³ | Ozone |
| NO₂ | 127 µg/m³ | Nitrogen dioxide |
| SO₂ | 56,5 µg/m³ | Sulphur dioxide |
| CO | 4.078 µg/m³ | Carbon monoxide |