How Diwali Firecrackers Impact India's Air Quality
How Diwali Firecrackers Impact India's Air Quality
Global · Published Nov 9, 2026
• Diwali celebrations often lead to a spike in air pollution, especially in cities like Delhi.
• Despite restrictions, firecrackers contribute to smog and health risks during the festival season.

Why Pollution Peaks During Diwali

The combination of firecracker emissions, cooler temperatures, and stagnant atmospheric conditions during late October and November exacerbates pollution levels. Additionally, crop-residue burning in neighbouring states like Punjab and Haryana contributes to the haze that blankets cities.

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