New Delhi air quality plunges to hazardous levels ahead of Diwali

New Delhi's air quality has deteriorated sharply to hazardous levels in the days preceding Diwali, the major Hindu festival celebrated across India. The worsening conditions coincide with the festival period, when residents traditionally set off fireworks and firecrackers as part of celebrations, typically exacerbating existing pollution problems.

The capital faces a confluence of factors that have combined to create dangerous air conditions. Winter months in northern India regularly bring elevated pollution levels due to meteorological patterns that trap pollutants close to the ground, while agricultural burning in neighboring states adds significant particulate matter to the atmosphere.

Diwali celebrations, scheduled for the coming days, are expected to further strain air quality as fireworks displays light up the city. Health officials and environmental experts have previously warned that the festival season can temporarily spike pollution indices to severe and hazardous ranges, prompting concerns among residents, particularly those with respiratory conditions.

The deteriorating air quality underscores the ongoing environmental challenges facing India's most populous metropolitan areas, where rapid urbanization and industrial activity compound seasonal pollution patterns. Authorities have implemented various measures in recent years to mitigate festival-related pollution, though enforcement and public compliance remain persistent challenges during major celebrations.