Siwān air quality
Updated 13/10, 08:31
The data may not be up to date.
Current AQI
US EPA scale · observed at 08:30
158
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 46,9 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 47,7 µg/m³ | Particles ≤ 10 µm |
| O₃ | 121 µg/m³ | Ozone |
| NO₂ | 14,7 µg/m³ | Nitrogen dioxide |
| SO₂ | 14,7 µg/m³ | Sulphur dioxide |
| CO | 637 µg/m³ | Carbon monoxide |