| index | 2020-05 | 2020-04 | 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 | 33 (Good) | 34 (Good) | 47 (Moderate) | 32 (Good) | 23 (Good) | 22 (Good) | 19 (Good) | 26 (Good) | 22 (Good) | 12 (Good) | 14 (Good) | 30 (Good) | 55 (Moderate) | 77 (Moderate) | 71 (Moderate) | 55 (Moderate) | 49 (Moderate) | 36 (Good) | 37 (Good) | 34 (Good) | 34 (Good) | 32 (Good) | 39 (Good) | 41 (Moderate) | 91 (Moderate) | 73 (Moderate) | 63 (Moderate) | 59 (Moderate) | 57 (Moderate) |
| so2 | 47 (Good) | 47 (Good) | 55 (Moderate) | 43 (Good) | 21 (Good) | 13 (Good) | 5.8 (Good) | 5.4 (Good) | 6.8 (Good) | 5.5 (Good) | 18 (Good) | 34 (Good) | 46 (Good) | 61 (Moderate) | 67 (Moderate) | 52 (Moderate) | 40 (Good) | 21 (Good) | 5.7 (Good) | 5 (Good) | 4.5 (Good) | 6.4 (Good) | 11 (Good) | 25 (Good) | 84 (Moderate) | 94 (Moderate) | 79 (Moderate) | 61 (Moderate) | 59 (Moderate) |
| pm10 | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 67 (Unhealthy for Sensitive Groups) | 61 (Unhealthy for Sensitive Groups) | 78 (Unhealthy for Sensitive Groups) | 22 (Moderate) | 299 (Very bad Hazardous) | - (Good) | - (Good) | - (Good) | 178 (Very bad Hazardous) | 174 (Very bad Hazardous) | 143 (Very Unhealthy) | 125 (Very Unhealthy) |
Баянхонгор
| index | 2020-05 | 2020-04 | 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 | 33 | 34 | 47 | 32 | 23 | 22 | 19 | 26 | 22 | 12 | 14 | 30 | 55 | 77 | 71 | 55 | 49 | 36 | 37 | 34 | 34 | 32 | 39 | 41 | 91 | 73 | 63 | 59 | 57 |
| so2 | 47 | 47 | 55 | 43 | 21 | 13 | 5.8 | 5.4 | 6.8 | 5.5 | 18 | 34 | 46 | 61 | 67 | 52 | 40 | 21 | 5.7 | 5 | 4.5 | 6.4 | 11 | 25 | 84 | 94 | 79 | 61 | 59 |
| pm10 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 67 | 61 | 78 | 22 | 299 | - | - | - | 178 | 174 | 143 | 125 |