PM2.5 air pollution, mean annual exposure
9.07
(micrograms per cubic meter)
in 2020
| 日付 |
値 |
変更
, % |
| 2020 |
9.07 |
-5.64% |
| 2019 |
9.61 |
-7.17% |
| 2018 |
10.35 |
2.57% |
| 2017 |
10.09 |
9.32% |
| 2016 |
9.23 |
-9.70% |
| 2015 |
10.23 |
-5.40% |
| 2014 |
10.81 |
3.98% |
| 2013 |
10.40 |
-3.84% |
| 2012 |
10.81 |
-19.05% |
| 2011 |
13.36 |
2.06% |
| 2010 |
13.09 |
-0.53% |
| 2009 |
13.16 |
|