Mumbai on Sunday recorded the first ‘Good’ air quality day of 2026, with an Air Quality Index (AQI) reading of 46. This is also the best AQI reading reported in the city since October 27, 2025, when it was recorded at 45, according to data from the Central Pollution Control Board (CPCB). This year, March has recorded no ‘Poor’ AQI days. The 29 days of March have seen AQI readings in the ‘Satisfactory’ category. In comparison, January 2026 recorded only eight ‘Satisfactory’ days, and February recorded seven ‘Satisfactory’ days.

On Sunday, all areas across Mumbai had AQI readings under 100, the best this year. Out of the 24 active AQI monitoring stations across Mumbai, 14 stations reported AQI in the ‘Good’ category, and 10 recorded AQI in the ‘Satisfactory’ category. The areas of Borivli, Malad, and Kandivli in the western suburbs had the best AQI readings on Sunday, followed by Sewri and Sion in the eastern suburbs. Even the bad AQI hotspots of BKC and Bandra East reported AQI in the ‘Good’ category on Sunday.