Delhi air quality turns severe on Diwali morning

Delhi's air quality plunged into the 'severe' category on Diwali morning, with the Central Pollution Control Board reporting readings above 400 at several monitoring stations. Punjabi Bagh and IIT Delhi were among the worst-hit areas. The Commission for Air Quality Management had invoked GRAP Stage III across Delhi-NCR ahead of the festival, as experts blamed stubble burning, vehicular emissions and unfavourable weather.