PM2.5 air pollution, mean annual exposure
8.59
(micrograms per cubic meter)
in 2020
| 日付 |
値 |
変更
, % |
| 2020 |
8.59 |
9.18% |
| 2019 |
7.87 |
-1.82% |
| 2018 |
8.02 |
-6.69% |
| 2017 |
8.59 |
-1.14% |
| 2016 |
8.69 |
6.26% |
| 2015 |
8.18 |
11.17% |
| 2014 |
7.36 |
-1.73% |
| 2013 |
7.49 |
-1.99% |
| 2012 |
7.64 |
8.81% |
| 2011 |
7.02 |
-9.13% |
| 2010 |
7.73 |
-0.19% |
| 2009 |
7.74 |
|