PM2.5 air pollution, mean annual exposure

19.60 (micrograms per cubic meter) in 2020

तिथि मान बदले , %
2020 19.60 -3.23%
2019 20.25 -9.79%
2018 22.45 3.51%
2017 21.69 -6.42%
2016 23.18 -2.11%
2015 23.68 -5.57%
2014 25.07 -5.12%
2013 26.43 -2.20%
2012 27.02 -0.73%
2011 27.22 26.77%
2010 21.47 8.89%
2009 19.72