Delhi News | Press Trust of India | Thursday April 23, 2020
With very few vehicles on roads, only essential commercial units functioning due to the coronavirus-forced lockdown and a weather favourable for dispersion of pollutants, the Central Pollution Control Board (CPCB) has reported 46 per cent reduction in PM2.5 levels and 50 per cent depletion in PM10 concentrations in the national capital.
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