Delhi-NCR air quality plunged into the severe category, with AQI crossing 500 in parts of Noida, prompting GRAP-IV restrictions, school curbs, construction bans, and health advisories amid thick smog. Scroll down for all the live and latest updates. The post Delhi-NCR AQI Live Updates: Delhi Turns into Gas Chamber as AQI hits 481; Noida at 557, Greater Noida at 422 appeared first on News24 .