Katihar air quality
Updated 12/10, 11:31
The data may not be up to date.
Current AQI
US EPA scale · observed at 11:30
114
Unhealthy for sensitive groupsChildren, older adults and people with heart or lung disease should reduce outdoor activity.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 21,6 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 23,3 µg/m³ | Particles ≤ 10 µm |
| O₃ | 137 µg/m³ | Ozone |
| NO₂ | 1,9 µg/m³ | Nitrogen dioxide |
| SO₂ | 5,2 µg/m³ | Sulphur dioxide |
| CO | 298 µg/m³ | Carbon monoxide |
AQI, next 22 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 13:30 | 113 | Unhealthy for sensitive groups |
| 14:30 | 112 | Unhealthy for sensitive groups |
| 15:30 | 111 | Unhealthy for sensitive groups |
| 16:30 | 111 | Unhealthy for sensitive groups |
| 17:30 | 110 | Unhealthy for sensitive groups |
| 18:30 | 111 | Unhealthy for sensitive groups |
| 19:30 | 113 | Unhealthy for sensitive groups |
| 20:30 | 115 | Unhealthy for sensitive groups |
| 21:30 | 118 | Unhealthy for sensitive groups |
| 22:30 | 121 | Unhealthy for sensitive groups |
| 23:30 | 124 | Unhealthy for sensitive groups |
| 00:30 | 127 | Unhealthy for sensitive groups |
| 01:30 | 130 | Unhealthy for sensitive groups |
| 02:30 | 132 | Unhealthy for sensitive groups |
| 03:30 | 135 | Unhealthy for sensitive groups |
| 04:30 | 138 | Unhealthy for sensitive groups |
| 05:30 | 140 | Unhealthy for sensitive groups |
| 06:30 | 143 | Unhealthy for sensitive groups |
| 07:30 | 146 | Unhealthy for sensitive groups |
| 08:30 | 149 | Unhealthy for sensitive groups |
| 09:30 | 150 | Unhealthy for sensitive groups |
| 10:30 | 151 | Unhealthy |