Switzerland
विषय
वातावरण
Emissions
PM2.5 air pollution, mean annual exposure
9.06
(micrograms per cubic meter) in 2020
तिथि
मान
बदले , %
2020
9.06
-4.12%
2019
9.45
-6.88%
2018
10.15
2.35%
2017
9.91
-6.96%
2016
10.66
-9.09%
2015
11.72
10.43%
2014
10.62
-14.69%
2013
12.44
-1.89%
2012
12.68
-8.53%
2011
13.86
4.59%
2010
13.26
-0.50%
2009
13.32