GRAP-4 curbs reimposed in Delhi-NCR amid deteriorating air quality

The Centre's Commission for Air Quality Management (CAQM) reimposed GRAP-4 anti-pollution restrictions in the Delhi-NCR region on Wednesday amid deteriorating air quality. The AQI stood at 275 on January 14 and saw a sharp increasing trend and reached 386 on January 15. "This is due to dense foggy conditions and low temperatures," CAQM said.