Katihar air quality
Updated 17/10, 05:31
The data may not be up to date.
Current AQI
US EPA scale · observed at 05:30
168
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 118,7 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 124,8 µg/m³ | Particles ≤ 10 µm |
| O₃ | 38 µg/m³ | Ozone |
| NO₂ | 22,7 µg/m³ | Nitrogen dioxide |
| SO₂ | 12,5 µg/m³ | Sulphur dioxide |
| CO | 687 µg/m³ | Carbon monoxide |
AQI, next 22 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 07:30 | 168 | Unhealthy |
| 08:30 | 169 | Unhealthy |
| 09:30 | 170 | Unhealthy |
| 10:30 | 171 | Unhealthy |
| 11:30 | 171 | Unhealthy |
| 12:30 | 172 | Unhealthy |
| 13:30 | 172 | Unhealthy |
| 14:30 | 172 | Unhealthy |
| 15:30 | 172 | Unhealthy |
| 16:30 | 172 | Unhealthy |
| 17:30 | 172 | Unhealthy |
| 18:30 | 171 | Unhealthy |
| 19:30 | 171 | Unhealthy |
| 20:30 | 170 | Unhealthy |
| 21:30 | 169 | Unhealthy |
| 22:30 | 170 | Unhealthy |
| 23:30 | 170 | Unhealthy |
| 00:30 | 171 | Unhealthy |
| 01:30 | 171 | Unhealthy |
| 02:30 | 172 | Unhealthy |
| 03:30 | 172 | Unhealthy |
| 04:30 | 172 | Unhealthy |