PM2.5 air pollution, mean annual exposure

21.18 (micrograms per cubic meter) in 2019

तिथि मान बदले , %
2019 21.18 -0.43%
2018 21.27 1.49%
2017 20.96 -0.62%
2016 21.09 -4.38%
2015 22.05 1.86%
2014 21.65 -3.44%
2013 22.42 13.85%
2012 19.69 -6.42%
2011 21.05 12.55%
2010 18.70 -10.96%
2005 21.00 -7.16%
2000 22.62