Reduce vehicle usage by 30%, 24-hr monitoring: Centre’s measures to combat Delhi-NCR smog

Owing to the prevailing bad air quality in Delhi-NCR, the Central Pollution Control Board (CPCB) has chalked out a Graded Response Action Plan (GRAP) for the region. The 24-hour average Air Quality Index (AQI) touched 471 by 4 pm, the worst this season so far. It was 411 on Thursday. The city has been recording severe air quality from the last eight days after Diwali.