| index | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-03 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| so2 | 12 (Good) | 13 (Good) | 6.3 (Good) | 7.5 (Good) | 27 (Good) | 38 (Good) | 38 (Good) | 30 (Good) | 22 (Good) | 13 (Good) | 9.2 (Good) | 10 (Good) | 11 (Good) | 10 (Good) | 13 (Good) | - (Good) | 16 (Good) | 48 (Good) | 95 (Moderate) | 70 (Moderate) | 18 (Good) | 6.2 (Good) | 8.9 (Good) | 9.3 (Good) | 8.4 (Good) | 7.5 (Good) | 7.2 (Good) | 8 (Good) |
| no2 | 28 (Good) | 29 (Good) | 17 (Good) | 24 (Good) | 51 (Moderate) | 45 (Moderate) | 60 (Moderate) | 51 (Moderate) | 48 (Moderate) | 39 (Good) | 31 (Good) | 40 (Moderate) | 33 (Good) | 26 (Good) | 32 (Good) | 34 (Good) | 41 (Moderate) | 48 (Moderate) | 72 (Moderate) | 69 (Moderate) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 21 (Good) | 31 (Good) | 30 (Good) |
| o3 | 12 (Good) | 19 (Good) | 8.7 (Good) | 18 (Good) | 19 (Good) | 16 (Good) | 11 (Good) | 15 (Good) | 9.5 (Good) | 16 (Good) | 37 (Good) | 51 (Good) | 59 (Good) | 57 (Good) | 48 (Good) | 50 (Good) | 39 (Good) | 283 (Very bad Hazardous) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
| pm10 | 46 (Moderate) | 32 (Moderate) | 33 (Moderate) | 31 (Moderate) | 61 (Unhealthy for Sensitive Groups) | 63 (Unhealthy for Sensitive Groups) | 110 (Very Unhealthy) | 82 (Unhealthy) | 67 (Unhealthy for Sensitive Groups) | 42 (Moderate) | 20 (Good) | 25 (Moderate) | 22 (Moderate) | 23 (Moderate) | 22 (Moderate) | 27 (Moderate) | 40 (Moderate) | 65 (Unhealthy for Sensitive Groups) | 127 (Very Unhealthy) | 188 (Very bad Hazardous) | 62 (Unhealthy for Sensitive Groups) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 23 (Moderate) | 23 (Moderate) |
Otoka
| index | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-03 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| so2 | 12 | 13 | 6.3 | 7.5 | 27 | 38 | 38 | 30 | 22 | 13 | 9.2 | 10 | 11 | 10 | 13 | - | 16 | 48 | 95 | 70 | 18 | 6.2 | 8.9 | 9.3 | 8.4 | 7.5 | 7.2 | 8 |
| no2 | 28 | 29 | 17 | 24 | 51 | 45 | 60 | 51 | 48 | 39 | 31 | 40 | 33 | 26 | 32 | 34 | 41 | 48 | 72 | 69 | - | - | - | - | - | 21 | 31 | 30 |
| pm10 | 46 | 32 | 33 | 31 | 61 | 63 | 110 | 82 | 67 | 42 | 20 | 25 | 22 | 23 | 22 | 27 | 40 | 65 | 127 | 188 | 62 | - | - | - | - | - | 23 | 23 |
| o3 | 12 | 19 | 8.7 | 18 | 19 | 16 | 11 | 15 | 9.5 | 16 | 37 | 51 | 59 | 57 | 48 | 50 | 39 | 283 | - | - | - | - | - | - | - | - | - | - |