City’s worst air comes after dark, peaks around midnight | Gurgaon News
Average PM2.5 concentrations at midnight rose from 88.9 micrograms per cubic metre (µg/m³) in 2025 to 138 µg/m³ during the same period this year. Gurgaon: If you are stepping out in Gurgaon late evening or heading out early in the morning, chances are you are breathing the city’s most polluted air.An analysis of hourly air…