Chennai district air quality
Updated 26/10, 07:31
The data may not be up to date.
Current AQI
US EPA scale · observed at 07:30
88
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 44,6 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 54,1 µg/m³ | Particles ≤ 10 µm |
| O₃ | 150 µg/m³ | Ozone |
| NO₂ | 4,1 µg/m³ | Nitrogen dioxide |
| SO₂ | 12,5 µg/m³ | Sulphur dioxide |
| CO | 419 µg/m³ | Carbon monoxide |
AQI, next 23 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 08:30 | 95 | Moderate |
| 09:30 | 102 | Unhealthy for sensitive groups |
| 10:30 | 110 | Unhealthy for sensitive groups |
| 11:30 | 118 | Unhealthy for sensitive groups |
| 12:30 | 126 | Unhealthy for sensitive groups |
| 13:30 | 133 | Unhealthy for sensitive groups |
| 14:30 | 139 | Unhealthy for sensitive groups |
| 15:30 | 142 | Unhealthy for sensitive groups |
| 16:30 | 145 | Unhealthy for sensitive groups |
| 17:30 | 145 | Unhealthy for sensitive groups |
| 18:30 | 145 | Unhealthy for sensitive groups |
| 19:30 | 145 | Unhealthy for sensitive groups |
| 20:30 | 145 | Unhealthy for sensitive groups |
| 21:30 | 146 | Unhealthy for sensitive groups |
| 22:30 | 149 | Unhealthy for sensitive groups |
| 23:30 | 151 | Unhealthy |
| 00:30 | 153 | Unhealthy |
| 01:30 | 155 | Unhealthy |
| 02:30 | 157 | Unhealthy |
| 03:30 | 157 | Unhealthy |
| 04:30 | 154 | Unhealthy |
| 05:30 | 150 | Unhealthy for sensitive groups |
| 06:30 | 141 | Unhealthy for sensitive groups |