| index | 2018-10 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 36 (Moderate) | 32 (Moderate) | 32 (Moderate) | 36 (Moderate) | 49 (Moderate) | 53 (Unhealthy for Sensitive Groups) | 45 (Moderate) | 40 (Moderate) | 46 (Moderate) | 31 (Moderate) | 48 (Moderate) | 43 (Moderate) | 16 (Good) | 25 (Moderate) | 40 (Moderate) | 43 (Moderate) | 53 (Unhealthy for Sensitive Groups) | 52 (Unhealthy for Sensitive Groups) | 37 (Moderate) | 36 (Moderate) | 32 (Moderate) | 54 (Unhealthy for Sensitive Groups) |
| so2 | 29 (Good) | 8 (Good) | 11 (Good) | 7.8 (Good) | 4.4 (Good) | 8.3 (Good) | 9.1 (Good) | 6 (Good) | 8.6 (Good) | 8.3 (Good) | 8.9 (Good) | 17 (Good) | 41 (Good) | 31 (Good) | 13 (Good) | 14 (Good) | 19 (Good) | 20 (Good) | 15 (Good) | 10 (Good) | 6.8 (Good) | 6.5 (Good) |
| co | 1 (Good) | 712 (Good) | 689 (Good) | 717 (Good) | 717 (Good) | 1 (Good) | 956 (Good) | 959 (Good) | 1 (Good) | 918 (Good) | 1 (Good) | 1 (Good) | 1 (Good) | 348 (Good) | 456 (Good) | 369 (Good) | 1 (Good) | 935 (Good) | 702 (Good) | 4 (Good) | 6 (Good) | 854 (Good) |
| no2 | - (Good) | 93 (Moderate) | 74 (Moderate) | 70 (Moderate) | 80 (Moderate) | 80 (Moderate) | 64 (Moderate) | 57 (Moderate) | 67 (Moderate) | 49 (Moderate) | 79 (Moderate) | 92 (Moderate) | 97 (Moderate) | 106 (Unhealthy for Sensitive Groups) | 97 (Moderate) | 96 (Moderate) | 90 (Moderate) | 96 (Moderate) | 94 (Moderate) | 84 (Moderate) | 83 (Moderate) | 90 (Moderate) |
Ümraniye-MTHM
| index | 2018-10 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| so2 | 29 | 8 | 11 | 7.8 | 4.4 | 8.3 | 9.1 | 6 | 8.6 | 8.3 | 8.9 | 17 | 41 | 31 | 13 | 14 | 19 | 20 | 15 | 10 | 6.8 | 6.5 |
| co | 1 | 712 | 689 | 717 | 717 | 1 | 956 | 959 | 1 | 918 | 1 | 1 | 1 | 348 | 456 | 369 | 1 | 935 | 702 | 4 | 6 | 854 |
| pm10 | 36 | 32 | 32 | 36 | 49 | 53 | 45 | 40 | 46 | 31 | 48 | 43 | 16 | 25 | 40 | 43 | 53 | 52 | 37 | 36 | 32 | 54 |
| no2 | - | 93 | 74 | 70 | 80 | 80 | 64 | 57 | 67 | 49 | 79 | 92 | 97 | 106 | 97 | 96 | 90 | 96 | 94 | 84 | 83 | 90 |