GRAP-4
Delhi Implements GRAP-4 as AQI Exceeds 440: Emergency Pollution Control Measures Activated
Dec 13, 2025 11:51 pm CST
Delhi's air quality deteriorated rapidly on Saturday, prompting authorities to escalate from GRAP-3 to GRAP-4 emergency measures within hours. With the AQI rising to 441, officials have banned non-essential trucks, halted all construction, recommended online classes for students, and advised offices to implement 50% work-from-home policies. The CAQM attributes the crisis to unfavorable weather conditions rather than local emissions.
Mumbai's Air Quality Improves as BMC Takes Action Against 482 Construction Sites Violating Pollution Guidelines
Dec 02, 2025 02:24 am CST
Mumbai has seen significant air quality improvement since November 26 due to various pollution control measures. The BMC has issued show cause notices to 482 construction sites for violations, with 264 receiving stop-work orders. Officials clarified that GRAP-4 restrictions aren't currently applicable to Mumbai, though enhanced monitoring continues with 94 ward-level flying squads overseeing compliance with the 28-point pollution mitigation guidelines.