Air Pollution in North: Real-time Air Quality Index and smog alert.
| index | 2020-05 | 2020-04 | 2020-03 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-05 | 2019-02 | 2018-12 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 71 (Unhealthy) | 71 (Unhealthy) | 71 (Unhealthy) | 158 (Very bad Hazardous) | 157 (Very bad Hazardous) | 126 (Very bad Hazardous) | - (Good) | 35 (Unhealthy for Sensitive Groups) | 44 (Unhealthy for Sensitive Groups) | 52 (Unhealthy for Sensitive Groups) | 168 (Very bad Hazardous) | 312 (Very bad Hazardous) | 87 (Very Unhealthy) | 133 (Very bad Hazardous) | 139 (Very bad Hazardous) | 167 (Very bad Hazardous) | 113 (Very bad Hazardous) | 68 (Unhealthy) |
| pm10 | 138 (Very Unhealthy) | 138 (Very Unhealthy) | 138 (Very Unhealthy) | 250 (Very bad Hazardous) | 225 (Very bad Hazardous) | 195 (Very bad Hazardous) | 72 (Unhealthy for Sensitive Groups) | 66 (Unhealthy for Sensitive Groups) | 101 (Unhealthy) | 135 (Very Unhealthy) | 249 (Very bad Hazardous) | 453 (Very bad Hazardous) | 140 (Very Unhealthy) | 210 (Very bad Hazardous) | 226 (Very bad Hazardous) | 279 (Very bad Hazardous) | 218 (Very bad Hazardous) | 119 (Very Unhealthy) |
| no2 | 14 (Good) | 14 (Good) | 14 (Good) | 21 (Good) | 17 (Good) | 10 (Good) | 36 (Good) | 36 (Good) | 46 (Moderate) | 147 (Unhealthy for Sensitive Groups) | 10 (Good) | 22 (Good) | 40 (Good) | 64 (Moderate) | 56 (Moderate) | 36 (Good) | 29 (Good) | 30 (Good) |
| co | 1 (Good) | 1 (Good) | 1 (Good) | 2 (Good) | 1 (Good) | 1 (Good) | 916 (Good) | 526 (Good) | 398 (Good) | 278 (Good) | 2 (Good) | 2 (Good) | 976 (Good) | 767 (Good) | 1 (Good) | 1 (Good) | 1 (Good) | 1 (Good) |
| o3 | 17 (Good) | 17 (Good) | 17 (Good) | 24 (Good) | 28 (Good) | 37 (Good) | 35 (Good) | 276 (Very bad Hazardous) | 47 (Good) | 5.5 (Good) | 33 (Good) | 26 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
Burari Crossing, Delhi - IMD
| index | 2020-05 | 2020-04 | 2020-03 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-05 | 2019-02 | 2018-12 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 14 | 14 | 14 | 21 | 17 | 10 | 36 | 36 | 46 | 147 | 10 | 22 | 40 | 64 | 56 | 36 | 29 | 30 |
| co | 1 | 1 | 1 | 2 | 1 | 1 | 916 | 526 | 398 | 278 | 2 | 2 | 976 | 767 | 1 | 1 | 1 | 1 |
| pm25 | 71 | 71 | 71 | 158 | 157 | 126 | - | 35 | 44 | 52 | 168 | 312 | 87 | 133 | 139 | 167 | 113 | 68 |
| pm10 | 138 | 138 | 138 | 250 | 225 | 195 | 72 | 66 | 101 | 135 | 249 | 453 | 140 | 210 | 226 | 279 | 218 | 119 |
| o3 | 17 | 17 | 17 | 24 | 28 | 37 | 35 | 276 | 47 | 5.5 | 33 | 26 | - | - | - | - | - | - |
* Pollution data source:
https://openaq.org
(caaqm)
The data is licensed under CC-By 4.0