Delhi recorded its first day of ‘poor’ air quality this season on Wednesday, October 21, when the AQI climbed to 245, marking a reported 100-day high.
The deterioration followed Dussehra celebrations across the capital, during which people in several areas burst firecrackers and burned Ravana effigies. Instances of stubble burning in neighbouring states, including Punjab, Haryana and Uttar Pradesh, have also been cited among the factors contributing to regional pollution concerns.
However, a direct link between the decline in air quality and Dussehra celebrations has not been established.
Delhi's pollution levels typically attract greater attention during the colder months, when unfavourable weather conditions can limit the dispersion of pollutants. Emissions from vehicles, construction dust, industrial activity and other sources can further add to the pollution burden.
With air quality already deteriorating in October, residents are likely to face growing concerns about pollution exposure as the winter season progresses.