Tamil Nadu air quality
Updated 13/10, 13:30
The data may not be up to date.
Current AQI
US EPA scale · observed at 13:30
91
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 29,8 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 40,6 µg/m³ | Particles ≤ 10 µm |
| O₃ | 129 µg/m³ | Ozone |
| NO₂ | 1,2 µg/m³ | Nitrogen dioxide |
| SO₂ | 5,8 µg/m³ | Sulphur dioxide |
| CO | 288 µg/m³ | Carbon monoxide |
AQI, next 22 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 15:30 | 91 | Moderate |
| 16:30 | 91 | Moderate |
| 17:30 | 91 | Moderate |
| 18:30 | 91 | Moderate |
| 19:30 | 90 | Moderate |
| 20:30 | 90 | Moderate |
| 21:30 | 90 | Moderate |
| 22:30 | 90 | Moderate |
| 23:30 | 89 | Moderate |
| 00:30 | 88 | Moderate |
| 01:30 | 87 | Moderate |
| 02:30 | 86 | Moderate |
| 03:30 | 85 | Moderate |
| 04:30 | 83 | Moderate |
| 05:30 | 81 | Moderate |
| 06:30 | 79 | Moderate |
| 07:30 | 77 | Moderate |
| 08:30 | 75 | Moderate |
| 09:30 | 73 | Moderate |
| 10:30 | 71 | Moderate |
| 11:30 | 69 | Moderate |
| 12:30 | 67 | Moderate |