index | 2019-01 | 2018-09 | 2018-07 | 2018-01 | 2017-11 | 2017-10 | 2017-09 |
---|---|---|---|---|---|---|---|
so2 | 2.3 (Good) | 4.8 (Good) | 1 (Good) | 6.8 (Good) | 3 (Good) | 2.7 (Good) | 1.7 (Good) |
no2 | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 8.8 (Good) |
ES1964A
index | 2019-01 | 2018-09 | 2018-07 | 2018-01 | 2017-11 | 2017-10 | 2017-09 |
---|---|---|---|---|---|---|---|
so2 | 2.3 | 4.8 | 1 | 6.8 | 3 | 2.7 | 1.7 |
no2 | - | - | - | - | - | - | 8.8 |