Mumbai on Tuesday evening witnessed a layer of smog over parts of the city, including Dadar and Bandra, raising concerns over air quality. According to official data, the city’s average Air Quality Index (AQI) stood at 102, placing it in the moderate category. (PICS/ ASHISH RAJE)

Haze was visible over several areas of Mumbai on Sunday, even though the overall air quality remained in the satisfactory category. Pics/Ashish Raje