| 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 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2015-11 | 2015-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2:ppm | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.03 (Good) | 0.02 (Good) | 0.02 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.02 (Good) | 0.01 (Good) | 0.02 (Good) | - (Good) | - (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | 0.01 (Good) | - (Good) | - (Good) |
| o3:ppm | 0 (Good) | 0.01 (Good) | 0.02 (Good) | 0.03 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.01 (Good) | 0.01 (Good) | 0.02 (Good) | 0.04 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.01 (Good) | 0.01 (Good) | 0.02 (Good) | - (Good) | - (Good) |
| so2:ppm | 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) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | 0 (Good) | - (Good) | - (Good) |
| pm10 | 32 (Moderate) | 35 (Moderate) | 39 (Moderate) | 65 (Unhealthy for Sensitive Groups) | 59 (Unhealthy for Sensitive Groups) | 58 (Unhealthy for Sensitive Groups) | 49 (Moderate) | 36 (Moderate) | 28 (Moderate) | 19 (Good) | 24 (Moderate) | 28 (Moderate) | 39 (Moderate) | 32 (Moderate) | 48 (Moderate) | 44 (Moderate) | 60 (Unhealthy for Sensitive Groups) | 42 (Moderate) | 36 (Moderate) | 31 (Moderate) | 21 (Moderate) | 23 (Moderate) | 24 (Moderate) | 26 (Moderate) | 41 (Moderate) | 44 (Moderate) |
| co:ppm | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 4.2 (Good) | 0.9 (Good) | 0.48 (Good) | 4.2 (Good) | 3.9 (Good) |
Khlong Nueng, Khlong Luang
| 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 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2015-11 | 2015-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| co:ppm | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4.2 | 0.9 | 0.48 | 4.2 | 3.9 |
| pm10 | 32 | 35 | 39 | 65 | 59 | 58 | 49 | 36 | 28 | 19 | 24 | 28 | 39 | 32 | 48 | 44 | 60 | 42 | 36 | 31 | 21 | 23 | 24 | 26 | 41 | 44 |
| no2:ppm | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.03 | 0.02 | 0.02 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.01 | 0.02 | - | - | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | - | - |
| o3:ppm | 0 | 0.01 | 0.02 | 0.03 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.01 | 0.01 | 0.02 | 0.04 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 | 0.01 | 0.01 | 0.02 | - | - |
| so2:ppm | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | - |