Mumbai started 2026 on a cleaner note as unseasonal drizzles swept parts of the city and neighbouring districts Thursday morning. The overall AQI stood at 90, in the ‘satisfactory’ category, while the highest pollution readings were recorded at Deonar (110), BKC (105), and Colaba (104) — all in the ‘moderate’ range.

In 2025, Mumbai recorded ‘satisfactory’ air quality for nearly 40 per cent of the year, with January reporting all 31 days as ‘moderate’. Other months with a high number of satisfactory days included December (29), February (26), and November (24). The city logged just one ‘poor’ day on October 11, when AQI spiked to 211 due to high ozone levels.