Delhi records lowest September average AQI in 5 years

Delhi recorded a monthly average AQI of 102 in September 2026, its lowest September average in five years, the Commission for Air Quality Management (CAQM) said. It recorded monthly average AQI of 105 in September 2025 and 2024, 108 in 2023 and 104 in 2022. The January-September period had 194 days with a daily average AQI below 200 ('Moderate' category).