Stricter pollution curbs under Stage 4 of the Graded Response Action Plan have enforced in Delhi-NCR as the air quality entered “severe” category on Saturday evening, January 17.
The Commission for Air Quality Management (CAQM) took the decision a day after imposing GRAP Stage 3 restrictions.
The 24-hour average Air Quality Index (AQI) in Delhi Saturday was recorded at 354, in the “very poor” category, and it deteriorated to 416, “severe”, by 6 pm. Under the GRAP, air quality is categorised as poor (AQI 201-300),…