2023 ended on a high pollution note, says latest CSE analysis of winter air pollution levels in Delhi-NCR
PM2.5 level 2 per cent higher in 2023 compared to 2022; 6 per cent higher compared to 2020
Winter undid the gains of summer and monsoon months -- summer months of 2023 significantly less polluted (14-36 per cent) than those of 2022. But winter months more polluted (12-34 per cent
Slow wind speed spiked winter concentration -- November average surface wind speed in Delhi was 9.8 m/s, the lowest in last six years
Despite the worsening, 2023 still had the highest number of days meeting national ambient air quality standard for 24 hours
Highest number of smog episodes in 2023 winter in last six years
Delhi needs deeper cuts in emissions from vehicles, industry, waste, solid fuels, and construction to meet air quality standard and prevent winter spikes due to adverse meteor...









