| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 | 2015-11 | 2015-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2:ppm | 0.01 (Good) | 0.01 (Good) | 0.02 (Good) | 0.03 (Good) | 0.03 (Good) | 0.04 (Good) | 0.04 (Good) | 0.03 (Good) | 0.02 (Good) | 0.01 (Good) | 0.02 (Good) | 0.01 (Good) | 0.03 (Good) | 0.04 (Good) | 0.03 (Good) | 0.03 (Good) | - (Good) | 0.02 (Good) | 0.03 (Good) | 0.02 (Good) | 0.03 (Good) | 0.04 (Good) | 0.04 (Good) | 0.03 (Good) | - (Good) | - (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.03 (Good) | 0.04 (Good) | 0.03 (Good) | 0.04 (Good) | 0.04 (Good) | 0.04 (Good) |
| pm10 | 31 (Moderate) | 38 (Moderate) | 50 (Moderate) | 76 (Unhealthy for Sensitive Groups) | 71 (Unhealthy for Sensitive Groups) | 62 (Unhealthy for Sensitive Groups) | 58 (Unhealthy for Sensitive Groups) | 52 (Unhealthy for Sensitive Groups) | 56 (Unhealthy for Sensitive Groups) | 42 (Moderate) | 55 (Unhealthy for Sensitive Groups) | 60 (Unhealthy for Sensitive Groups) | 53 (Unhealthy for Sensitive Groups) | 35 (Moderate) | 38 (Moderate) | 52 (Unhealthy for Sensitive Groups) | 26 (Moderate) | 32 (Moderate) | 38 (Moderate) | 43 (Moderate) | 52 (Unhealthy for Sensitive Groups) | 64 (Unhealthy for Sensitive Groups) | 61 (Unhealthy for Sensitive Groups) | 56 (Unhealthy for Sensitive Groups) | 29 (Moderate) | 26 (Moderate) | 32 (Moderate) | 28 (Moderate) | 25 (Moderate) | 28 (Moderate) | 44 (Moderate) | 58 (Unhealthy for Sensitive Groups) | 69 (Unhealthy for Sensitive Groups) | 50 (Moderate) | 64 (Unhealthy for Sensitive Groups) | 46 (Moderate) | 53 (Unhealthy for Sensitive Groups) |
| co:ppm | - (Good) | 0.45 (Good) | 0.34 (Good) | 0.52 (Good) | 0.59 (Good) | 0.52 (Good) | 0.54 (Good) | 0.49 (Good) | 0.48 (Good) | 0.29 (Good) | 0.3 (Good) | - (Good) | 1.8 (Good) | - (Good) | 1.6 (Good) | 1.8 (Good) | 1.5 (Good) | 1.3 (Good) | 0.86 (Good) | 0.6 (Good) | 1.3 (Good) | 1.1 (Good) | 1 (Good) | 1.1 (Good) | 0.44 (Good) | 0.54 (Good) | 0.42 (Good) | 0.44 (Good) | 0.63 (Good) | 0.7 (Good) | 0.86 (Good) | 0.73 (Good) | 1 (Good) | 0.81 (Good) | 1 (Good) | 1.2 (Good) | 1.3 (Good) |
| o3:ppm | - (Good) | 0.01 (Good) | 0.01 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | - (Good) | - (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.02 (Good) | 0.01 (Good) | 0.01 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.01 (Good) | 0.01 (Good) |
| so2:ppm | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0.01 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | - (Good) | - (Good) | - (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) |
Chong Nonsi, Yannawa
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 | 2015-11 | 2015-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2:ppm | 0.01 | 0.01 | 0.02 | 0.03 | 0.03 | 0.04 | 0.04 | 0.03 | 0.02 | 0.01 | 0.02 | 0.01 | 0.03 | 0.04 | 0.03 | 0.03 | - | 0.02 | 0.03 | 0.02 | 0.03 | 0.04 | 0.04 | 0.03 | - | - | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.03 | 0.04 | 0.03 | 0.04 | 0.04 | 0.04 |
| o3:ppm | - | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.01 | 0.01 | 0.01 | 0.01 | - | - | - | - | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | - | - | 0.01 | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.01 | 0.01 |
| co:ppm | - | 0.45 | 0.34 | 0.52 | 0.59 | 0.52 | 0.54 | 0.49 | 0.48 | 0.29 | 0.3 | - | 1.8 | - | 1.6 | 1.8 | 1.5 | 1.3 | 0.86 | 0.6 | 1.3 | 1.1 | 1 | 1.1 | 0.44 | 0.54 | 0.42 | 0.44 | 0.63 | 0.7 | 0.86 | 0.73 | 1 | 0.81 | 1 | 1.2 | 1.3 |
| so2:ppm | - | - | - | - | - | - | 0 | 0 | 0 | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| pm10 | 31 | 38 | 50 | 76 | 71 | 62 | 58 | 52 | 56 | 42 | 55 | 60 | 53 | 35 | 38 | 52 | 26 | 32 | 38 | 43 | 52 | 64 | 61 | 56 | 29 | 26 | 32 | 28 | 25 | 28 | 44 | 58 | 69 | 50 | 64 | 46 | 53 |