The India Meteorological Department has issued a yellow heat alert for Mumbai and Thane, warning of hot and humid conditions in isolated pockets as temperatures in the city rose above normal. The warning also covers Palghar, Raigad and Ratnagiri, where residents have been advised to follow official weather updates and limit prolonged exposure to heat.
Mumbai and its suburbs are expected to see mainly clear skies on Saturday, with maximum temperatures around 36 degrees Celsius and minimum temperatures near 26 degrees Celsius. The IMD has also warned of the possibility of heatwave conditions in the city and its suburbs.
The Santacruz observatory recorded a maximum temperature of 37.8 degrees Celsius, while Colaba in South Mumbai recorded 37.0 degrees Celsius, according to the IMD’s 8.30 am weather report. Santacruz’s reading was 4.7 degrees Celsius above normal, highlighting the stronger heat recorded in the suburbs.
The warning comes as several parts of Maharashtra experience above-normal maximum temperatures. Jalgaon recorded the state’s highest maximum temperature at 38.5 degrees Celsius, which was 3.3 degrees Celsius above normal. Malegaon recorded 38.4 degrees Celsius and had the state’s highest departure from normal at 5.6 degrees Celsius.
Solapur recorded 37.7 degrees Celsius, or 4.5 degrees Celsius above normal, while Mahabaleshwar was the coolest reported station at 28.2 degrees Celsius. The IMD’s bulletin issued on October 10 said the maximum temperatures and evening humidity readings corresponded to observations from October 9.
High humidity is adding to the discomfort in parts of the region. Malegaon recorded relative humidity of 95 per cent at 8.30 am and 100 per cent at 5.30 pm on October 9. Colaba recorded 83 per cent humidity at 8.30 am, while Ratnagiri recorded 82 per cent. Dahanu and Harnai recorded 78 per cent each.
Mumbai’s air quality remained in the satisfactory category on Saturday morning, with an overall Air Quality Index reading of 89, according to the Central Pollution Control Board’s SAMEER app. However, some monitoring stations recorded poorer readings. Deonar reported the highest city AQI at 144, followed by Chembur at 115 and Andheri at 102.
Across the Mumbai Metropolitan Region, Thane recorded an AQI of 104, while Navi Mumbai stood at 89 and Kalyan at 85. Borivali recorded 85, Bandra-Kurla Complex 84, Ghatkopar 82, Colaba 75 and Byculla 74.
The IMD’s warning covers hot and humid conditions across parts of the Konkan region. Residents, particularly those vulnerable to heat exposure, have been advised to monitor official weather updates and take precautions during prolonged outdoor activity.