Air pollution: Industrial waste, vehicular emissions make air so dangerous in Indian cities, say experts
DELHI: The national capital ranked sixth in terms of PM 2.5 with an annual average of 143 µg/m3 in 2016.
Publication Date:
03/05/2018
DELHI: The national capital ranked sixth in terms of PM 2.5 with an annual average of 143 µg/m3 in 2016.