PM2.5 air pollution, mean annual exposure
21.34
(micrograms per cubic meter)
in 2019
| 日付 |
値 |
変更
, % |
| 2019 |
21.34 |
0.37% |
| 2018 |
21.27 |
1.62% |
| 2017 |
20.93 |
-0.73% |
| 2016 |
21.08 |
-3.94% |
| 2015 |
21.94 |
8.65% |
| 2014 |
20.20 |
0.37% |
| 2013 |
20.12 |
0.13% |
| 2012 |
20.10 |
4.87% |
| 2011 |
19.16 |
-3.90% |
| 2010 |
19.94 |
0.87% |
| 2005 |
19.77 |
-10.55% |
| 2000 |
22.10 |
|