Delhi Records Lowest September AQI in Five Years at 102
Delhi Records Lowest September AQI in Five Years at 102
IN · Published Oct 2, 2026
• Delhi has achieved its lowest average Air Quality Index (AQI) for September in five years, with a value of 102 in 2026, according to Delhi Environment Minister Manjinder Singh Sirsa. This marks an improvement compared to 105 in 2025 and 108 in
• From January to September 2026, the city experienced 194 days with AQI below 200, the highest count in five years. Additionally, the number of 'Poor to Severe+' air quality days dropped to 79, the lowest in the same period. The average PM2.5 concentration for 2026 stood at 69 µg/m³, matching the lowest level since

Impact & Risks

The improved air quality in Delhi is a positive development for residents, particularly those vulnerable to respiratory and cardiovascular issues. However, the city still faces challenges, as 79 days in 2026 were classified as having 'Poor to Severe+' air quality. Prolonged exposure to such conditions can pose health risks, especially for children, the elderly, and individuals with pre-existing health conditions. While progress has been made, the need for sustained efforts to combat pollution remains critical to ensure long-term health benefits for the population.

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