Ozone spikes in Haryana: Ballabhgarh ranks among India’s worst hotspots as 12 stations breach standards

Haryana is emerging as an ozone hotspot, with 12 out of 30 monitoring stations exceeding national standards in May. Nathu Colony in Ballabhgarh recorded the seventh-highest ground-level ozone concentration in India. This secondary pollutant, formed by sunlight-driven reactions, poses a growing summer air quality challenge.