Chas air quality
Updated 12/10, 11:31
The data may not be up to date.
Current AQI
US EPA scale · observed at 11:30
159
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 46,8 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 50,5 µg/m³ | Particles ≤ 10 µm |
| O₃ | 159 µg/m³ | Ozone |
| NO₂ | 15 µg/m³ | Nitrogen dioxide |
| SO₂ | 59,4 µg/m³ | Sulphur dioxide |
| CO | 291 µg/m³ | Carbon monoxide |
AQI, next 1 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 10:30 | 171 | Unhealthy |