The air quality index (AQI) for Mumbai today is 63 (satisfactory), indicating minimal health impacts, though sensitive individuals may experience slight breathing discomfort
The air quality index (AQI) for Mumbai today is 63. PIC/ SHADAB KHAN
Mumbai city and suburbs on Friday will experience a partly cloudy morning with haze, clearing up to a mainly clear sky by afternoon and evening. According to the India Meteorological Department (IMD), maximum and minimum temperatures are expected to hover around 30 degrees Celsius and 17 degrees Celsius, respectively.
The air quality index (AQI) for Mumbai today is 63 (satisfactory), indicating minimal health impacts, though sensitive individuals may experience slight breathing discomfort.
AQI across Mumbai
Bandra-Kurla Complex: 89
Borivali: 64
Byculla: 78
Andheri: 68
Chembur: 49
Deonar: 78
Ghatkopar: 37
Meanwhile, 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.
The monsoon months — from May to September — brought clean air to the city, with all days recorded as green. December saw two green days: December 21 (AQI 91) and December 24 (AQI 86).
Concerns remain
Environmentalists caution that AQI numbers may hide persistent risks. Sumaira Abdulali, environmentalist and founder, Awaz Foundation, which has partnered with BMC for awareness and initiatives to curb noise and air pollution in the city, said, “PM2.5 levels in the air continue to be high. This is a major concern as PM2.5 poses severe health risks. The particles are so small that humans can inhale them, and they accumulate in the lungs, causing severe health problems. While the overall AQI may be low, high levels of PM2.5 concentrations in the air pose a severe problem.”
Rare rain for city
Mumbaikars woke up to unpredictable showers between 6.30 am and 8.00 am on Thursday. Rushikesh Agre, a city-based certified meteorologist from Harvard University, said, “This phenomenon is due to western disturbances originating in the Mediterranean Sea. When these disturbances are weak, they move southward, resulting in rainfall.”
How AQI is calculated
India’s AQI considers eight major pollutants: PM10, PM2.5, carbon monoxide (CO), ozone (O3), nitrogen dioxide (NO2), sulfur dioxide (SO2), ammonia (NH3), and lead (Pb). Calculations require data from at least three pollutants, including PM10 or PM2.5.
PM2.5 trends
A CREA study found that for at least 35 per cent of 2025, every station in Mumbai reported PM2.5 levels above the city’s annual mean of 34 µg/m³. Within the city, Deonar was the most polluted, followed by Worli and Bandra Kurla Complex (BKC), while Kandivli East recorded the most days exceeding the daily PM2.5 NAAQS in 2025.
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