Delhi records cleanest October air in eight years

Delhi recorded an average AQI of 166 in October, its lowest monthly average for the month in eight years, according to the Union Environment Ministry.
The October average was lower than 223 in 2025, 234 in 2024 and 173 in 2021.
Between January and October 2026, Delhi recorded 220 days with 'Good to Moderate' air quality, with an average AQI below 200.
• The city recorded 84 days in the 'Poor to Severe' category during the same period, compared with 104 days each in 2025 and 2024

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