空气污染在 Saint Thomas Mount ：实时空气质量指数和烟雾警报。
| index | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 14 (Good) | 19 (Good) | 28 (Good) | 25 (Good) | 16 (Good) | 13 (Good) | 11 (Good) | 16 (Good) | 12 (Good) | 14 (Good) | 11 (Good) | 11 (Good) | 15 (Good) | 14 (Good) | 26 (Good) | 25 (Good) | 25 (Good) | 18 (Good) | 11 (Good) | 13 (Good) | 15 (Good) | 18 (Good) | 10 (Good) | 6.7 (Good) |
| so2 | 9.4 (Good) | 16 (Good) | 19 (Good) | 18 (Good) | 17 (Good) | 14 (Good) | 4.9 (Good) | 4.9 (Good) | 5.3 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
| o3 | 38 (Good) | 42 (Good) | 36 (Good) | 27 (Good) | 29 (Good) | 35 (Good) | 21 (Good) | 22 (Good) | 28 (Good) | 44 (Good) | 32 (Good) | 23 (Good) | 35 (Good) | 38 (Good) | 33 (Good) | 39 (Good) | 46 (Good) | 24 (Good) | 22 (Good) | 20 (Good) | 36 (Good) | 50 (Good) | 34 (Good) | 29 (Good) |
| pm25 | 55 (Unhealthy for Sensitive Groups) | 76 (Very Unhealthy) | 68 (Unhealthy) | 49 (Unhealthy for Sensitive Groups) | 51 (Unhealthy for Sensitive Groups) | 39 (Unhealthy for Sensitive Groups) | 43 (Unhealthy for Sensitive Groups) | 49 (Unhealthy for Sensitive Groups) | 44 (Unhealthy for Sensitive Groups) | 57 (Unhealthy) | 56 (Unhealthy) | 56 (Unhealthy) | 56 (Unhealthy) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
| co | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 26 (Good) | 26 (Good) | 20 (Good) | 26 (Good) | - (Good) | 30 (Good) | 23 (Good) | - (Good) |
Alandur Bus Depot
| index | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 14 | 19 | 28 | 25 | 16 | 13 | 11 | 16 | 12 | 14 | 11 | 11 | 15 | 14 | 26 | 25 | 25 | 18 | 11 | 13 | 15 | 18 | 10 | 6.7 |
| o3 | 38 | 42 | 36 | 27 | 29 | 35 | 21 | 22 | 28 | 44 | 32 | 23 | 35 | 38 | 33 | 39 | 46 | 24 | 22 | 20 | 36 | 50 | 34 | 29 |
| co | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 26 | 26 | 20 | 26 | - | 30 | 23 | - |
| pm25 | 55 | 76 | 68 | 49 | 51 | 39 | 43 | 49 | 44 | 57 | 56 | 56 | 56 | - | - | - | - | - | - | - | - | - | - | - |
| so2 | 9.4 | 16 | 19 | 18 | 17 | 14 | 4.9 | 4.9 | 5.3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
* Pollution data source:
https://openaq.org
(CPCB)
The data is licensed under CC-By 4.0