Post-Diwali Air Pollution Crisis Persists Across Indian Cities
Post-Diwali Air Pollution Crisis Persists Across Indian Cities
IN · Published Nov 12, 2026
• India is grappling with a severe air pollution crisis following Diwali celebrations, with firecrackers exacerbating already poor air quality in cities like Delhi and regions in Maharashtra.
• Delhi's air quality index (AQI) reached 313 on 11 November, categorised as 'very poor', while Maharashtra cities such as Pimpri-Chinchwad, Nanded, and Pune recorded AQI levels in the 'poor' category.

Impact & Risks

The ongoing air pollution poses significant health risks, particularly to vulnerable groups such as children, older adults, and individuals with pre-existing respiratory or cardiovascular conditions. Prolonged exposure to poor or very poor AQI levels can lead to respiratory illnesses, exacerbate asthma, and cause cardiometabolic issues. Fine particulate matter like PM2.5 can penetrate deep into the lungs and bloodstream, affecting multiple organs. The World Health Organization has highlighted the risks of pollutants such as nitrogen dioxide, sulphur dioxide, and ground-level ozone, which can reduce lung function and cause respiratory infections.

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