Understanding Delhi's Post-Diwali Air Quality Challenges
Understanding Delhi's Post-Diwali Air Quality Challenges
Global · Published Oct 24, 2026
• Delhi's air quality often deteriorates after Diwali due to stubble burning, firecrackers, and weather conditions.
• Learn why this happens and how residents can mitigate exposure to pollution.

The Role of Stubble Burning and Firecrackers

Stubble burning in Punjab and Haryana peaks between November 1 and 10, coinciding with Diwali celebrations. Firecrackers further spike pollution levels, especially PM2.5 particles, which are harmful to respiratory health. Research indicates that firecrackers can contribute significantly to pollution, sometimes even more than stubble burning.

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