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Ghaziabad Most Polluted City In North India, Air Quality Worse Than Delhi: Report
Ghaziabad has been ranked as the most polluted city in North India with an annual average PM2.5, much worse than those of Delhi, according to the data from 137 continuous ambient air quality monitoring stations (CAAQMS) spread across 56 cities in the region.Fine particulate matter (PM2.5) refers to...