School holiday today due to pollution? Delhi-NCR enforces GRAP-IV as AQI touches ‘severe+’, impacting schools, offices and daily life. https://english.mathrubhumi.com/news/india/delhi-air-pollution-grap-stage-iv-schools-online-oknoen1g?utm_source=dlvr.it&utm_medium=mastodon #DelhiAirPollution #SchoolHoliday #GRAPIV #AQICrisis #DelhiNCR