Centre invokes toughest anti-pollution measures in Delhi as air quality hits season’s worst – The Hindu

Centre invokes toughest anti-pollution measures in Delhi as air quality hits season’s worst  The HinduDelhi Under Thick Smog, Chokes On Toxic ‘Severe’ Air, Visibility Low  NDTVDelhi schools shift to hybrid mode for Classes 1–9 and 11 as pollution worsens under GRAP-IV  Times of IndiaDelhi-NCR pollution is even worse today: Reasons why AQI is ‘severe’, and when relief is likely  Hindustan TimesWhat is GRAP-IV, now in force in Delhi and the National Capital Region?  Down To Earth  Read More