The Supreme Court has ordered all Delhi-NCR governments to ensure strict implementation of GRAP Stage IV rules amid rising air pollution levels. The curbs will remain in place even if air quality index falls below the ‘severe plus’ mark of 450.

IV restrictions are imposed in the national capital in a bid to combat the adverse effects of pollution. The Supreme Court on Monday asked authorities not to lift the curbs without obtaining its permission even if the AQI falls below 450.

The Supreme Court of India has ordered the closure of 10th and 12th-grade classes across the Delhi-National Capital Region (NCR) due to the worsening air quality

Dr Vikas Mittal, a Pulmonologist at CK Birla Hospital, Delhi, explains how emergency measures like GRAP 4 can help alleviate pollution's harmful effects

Delhi is battling a thick blanket of toxic smog, as the Air Quality Index (AQI) surges to a hazardous level of 484. In response, the Commission for Air Quality Management (CAQM) has implemented Stage IV of GRAP,

Delhi recorded air pollution more than 17 times above an acceptable level as worsening smog triggered curbs on trucking and shuttered construction sites and schools.