Air Pollutant Concentrations Trend - Tseung Kwan O
| YEAR | NO2 | PM10 | PM2.5 |
|---|---|---|---|
| 2022 | 21 | 22 | 13 |
| 2021 | 26 | 24 | 13 |
| 2020 | 23 | 24 | 12 |
| 2019 | 29 | 29 | 17 |
| 2018 | 28 | 28 | 15 |
| 2017 | 28 | 31 | 18 |
| 2016 | NA | NA | NA |
| 2015 | NA | NA | NA |
| 2014 | NA | NA | NA |
| 2013 | NA | NA | NA |
AAQI Long Term Trend - Tseung Kwan O
| YEAR | NO2 | PM10 | PM2.5 |
|---|---|---|---|
| 2022 | 0.5 | 1.1 | 1.3 |
| 2021 | 0.7 | 1.2 | 1.3 |
| 2020 | 0.6 | 1.2 | 1.2 |
| 2019 | 0.7 | 1.5 | 1.7 |
| 2018 | 0.7 | 1.4 | 1.5 |
| 2017 | 0.7 | 1.6 | 1.8 |
| 2016 | NA | NA | NA |
| 2015 | NA | NA | NA |
| 2014 | NA | NA | NA |
| 2013 | NA | NA | NA |
