Delhi air pollution: Worst Diwali air in 4 years, Tuesday winds prevent ‘severe’ drop

Delhi’s air quality plunged into the ‘very poor’ category on Diwali night as firecracker violations surged, pushing PM2.5 levels to their highest since 2021. Despite a temporary spike, rising winds and warmer temperatures prevented a prolonged severe episode. Authorities are monitoring the situation, with Stage III of GRAP not yet invoked.