As the city slows to fight Covid-19, its air has seen a decline in pollutant levels, found a report by System of Air Quality Weather Forecasting and Research (SAFAR). According to SAFAR, there was a 45% drop in concentration of nitrogen oxide (NOx) this month compared to March 2018 and 2019. A drop in concentration of PM 2.5 too was seen since restrictions were imposed.from Mumbai News & Coronavirus Live Updates: Latest Mumbai News Headlines & Coronavirus News Updates from Mumbai - Times of India https://ift.tt/2Usv25L
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