PM2.5 air pollution, mean annual exposure

17.88 (micrograms per cubic meter) in 2020

तिथि मान बदले , %
2020 17.88 -7.96%
2019 19.43 5.37%
2018 18.44 8.74%
2017 16.96 -11.37%
2016 19.13 2.46%
2015 18.67 0.73%
2014 18.54 -7.80%
2013 20.10 2.81%
2012 19.55 9.12%
2011 17.92 -13.00%
2010 20.60 -5.22%
2009 21.73