The BMC has informed the Bombay High Court that 662 out of 1,954 construction sites in Mumbai lack mandated air quality monitors, prompting enforcement action through show-cause and stop-work notices.

The Bombay High Court has raised serious concerns over Mumbai's deteriorating air quality, with AQI levels frequently crossing 300 and entering hazardous territory. The court is pressing civic authorities to implement Delhi-style GRAP measures to address the pollution crisis affecting public health.