Delhi sees season’s first smog on Diwali, farm fire share in pollution rises: CSE

Delhi experienced its first smog this Diwali with PM2.5 levels 34% higher than last year and significant nitrogen oxide pollution. Crackers and stubble burning contributed to the pollution, with farm fires accounting for 27% of pollutants. Despite quick dispersion, nine monitoring stations recorded ‘severe’ pollution levels, highlighting a worrying trend for the city’s air quality.