| index | 2020-05 | 2020-04 | 2020-03 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 41 (Moderate) | 41 (Moderate) | 41 (Moderate) | 43 (Moderate) | 43 (Moderate) | 36 (Good) | 41 (Moderate) | 42 (Moderate) | 37 (Good) | 43 (Moderate) | 38 (Good) | 36 (Good) | 32 (Good) | 41 (Moderate) | 50 (Moderate) | 65 (Moderate) | 58 (Moderate) | 38 (Good) | 39 (Good) | 22 (Good) | 21 (Good) | 18 (Good) | 30 (Good) | 30 (Good) | 22 (Good) | 26 (Good) | 30 (Good) | 53 (Moderate) | 18 (Good) | 40 (Good) |
| so2 | 73 (Moderate) | 73 (Moderate) | 70 (Moderate) | 69 (Moderate) | 28 (Good) | 4.5 (Good) | 2.7 (Good) | 1.9 (Good) | 1.8 (Good) | 1.1 (Good) | 3 (Good) | 9.4 (Good) | 37 (Good) | 85 (Moderate) | 87 (Moderate) | 58 (Moderate) | 35 (Good) | 10 (Good) | 4.8 (Good) | 2.2 (Good) | 1.6 (Good) | 2.9 (Good) | 3 (Good) | 4.7 (Good) | 16 (Good) | 66 (Moderate) | 82 (Moderate) | 58 (Moderate) | 35 (Good) | 36 (Good) |
| pm10 | 446 (Very bad Hazardous) | 446 (Very bad Hazardous) | 446 (Very bad Hazardous) | - (Good) | - (Good) | - (Good) | 29 (Moderate) | 32 (Moderate) | 24 (Moderate) | 56 (Unhealthy for Sensitive Groups) | 54 (Unhealthy for Sensitive Groups) | 121 (Very Unhealthy) | 147 (Very Unhealthy) | - (Good) | - (Good) | - (Good) | - (Good) | 7 (Good) | 37 (Moderate) | 38 (Moderate) | 27 (Moderate) | 82 (Unhealthy) | 66 (Unhealthy for Sensitive Groups) | 46 (Moderate) | 69 (Unhealthy for Sensitive Groups) | 129 (Very Unhealthy) | 284 (Very bad Hazardous) | 314 (Very bad Hazardous) | 129 (Very Unhealthy) | 229 (Very bad Hazardous) |
Даланзадгад
| index | 2020-05 | 2020-04 | 2020-03 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 41 | 41 | 41 | 43 | 43 | 36 | 41 | 42 | 37 | 43 | 38 | 36 | 32 | 41 | 50 | 65 | 58 | 38 | 39 | 22 | 21 | 18 | 30 | 30 | 22 | 26 | 30 | 53 | 18 | 40 |
| so2 | 73 | 73 | 70 | 69 | 28 | 4.5 | 2.7 | 1.9 | 1.8 | 1.1 | 3 | 9.4 | 37 | 85 | 87 | 58 | 35 | 10 | 4.8 | 2.2 | 1.6 | 2.9 | 3 | 4.7 | 16 | 66 | 82 | 58 | 35 | 36 |
| pm10 | 446 | 446 | 446 | - | - | - | 29 | 32 | 24 | 56 | 54 | 121 | 147 | - | - | - | - | 7 | 37 | 38 | 27 | 82 | 66 | 46 | 69 | 129 | 284 | 314 | 129 | 229 |