PM2.5 air pollution, mean annual exposure

21.24 (micrograms per cubic meter) in 2020

التاريخ Value تغيير , %
2020 21.24 4.39 %
2019 20.34 -2.74 %
2018 20.92 3.89 %
2017 20.13 1.95 %
2016 19.75 -7.72 %
2015 21.40 3.08 %
2014 20.76 4.27 %
2013 19.91 1.45 %
2012 19.63 -0.23 %
2011 19.67 4.04 %
2010 18.91 0.02 %
2009 18.90