PM2.5 air pollution, mean annual exposure
4.90
(micrograms per cubic meter)
in 2020
| तिथि
|
मान
|
बदले
, % |
| 2020 |
4.90 |
-8.99% |
| 2019 |
5.38 |
-2.15% |
| 2018 |
5.50 |
7.22% |
| 2017 |
5.13 |
-2.87% |
| 2016 |
5.28 |
-6.17% |
| 2015 |
5.63 |
-8.07% |
| 2014 |
6.12 |
4.54% |
| 2013 |
5.85 |
-6.07% |
| 2012 |
6.23 |
-9.30% |
| 2011 |
6.87 |
-1.72% |
| 2010 |
6.99 |
-1.61% |
| 2009 |
7.11 |
|