Delhi's Air Quality Deteriorates to 'Very Poor' Post-Diwali
Delhi's Air Quality Deteriorates to 'Very Poor' Post-Diwali
IN · Published Oct 18, 2026
• New Delhi has emerged as the world's most polluted city following Diwali celebrations, with air quality levels plunging into the 'very poor' and 'hazardous' categories.
• According to Swiss firm IQ Air, the air quality index (AQI) in the city reached 348, indicating severe pollution.

Impact & Risks

The deteriorating air quality poses significant health risks, particularly for vulnerable groups such as children, the elderly, and individuals with pre-existing respiratory or cardiovascular conditions. Prolonged exposure to such high levels of pollution can lead to respiratory distress, reduced lung function, and other long-term health complications. The hazardous air quality also impacts daily life, with reduced visibility and potential disruptions to outdoor activities.

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