Delhi's PM10 level reduced from 241g/m3 in 2017 to 196 g/m3 in 2021-22. Similarly, the PM10 level in Mumbai reduced from 151g/m3 in 2017 to 106 g/m3 in 2021-22 whereas it reduced from 119 g/m3 in 2017 to 105 g/m3 in Kolkata in 2021-22.
from Times of India https://ift.tt/y5NVXb9
from Times of India https://ift.tt/y5NVXb9