世界
トピック
環境
排出
PM2.5 air pollution, mean annual exposure
31.32
(micrograms per cubic meter) in 2020
日付
値
変更 , %
2020
31.32
-9.19%
2019
34.49
-8.35%
2018
37.63
-1.96%
2017
38.39
-6.31%
2016
40.97
-2.81%
2015
42.16
-0.64%
2014
42.43
-1.53%
2013
43.09
4.81%
2012
41.11
6.48%
2011
38.61
9.89%
2010
35.13
-1.22%
2009
35.57