Ozone pollution spreading across India, Delhi-NCR emerges as prime hotspot: CSE report

Ground-level ozone, an invisible but highly harmful air pollutant, is emerging as a year-round public health and climate challenge across India's cities, a new analysis by the Centre for Science and Environment (CSE) said. Based on six years of data from 25 cities, the analysis said that ozone pollution is no longer confined to isolated summer spikes or a handful of northern urban centres. Rather, it has spread across regions, with prolonged exposure becoming increasingly common in both inland and coastal cities.