Delhi Sees Worst Air Quality Of This Season As AQI Nears 500, Visibility Drops Further
Delhi woke up to the worst air quality of this season as the air quality index (AQI) was recorded at 484 at 9 am on Monday. Smog covered the national capital in the morning hours and the visibility at Palam dropped to 150 metres at 7 am.The Commission for Air Quality Management (CAQM) invoked stricter pollution control measures for the Delhi-NCR under Stage 4 of the anti-pollution plan Graded Response Action Plan (GRAP), which comes into effect from 8 am.
GRAP Stage 4 Implemented In Delhi
The GRAP for Delhi-NCR is divided into four stages of air quality — Stage 1 for 'poor' (AQI) ranging between 201 and 300, Stage 2 for "very poor" AQI of 301-400, Stage 3 for "severe" AQI of 401-450 and Stage 4 for "severe plus" AQI more than 450. An AQI between zero and 50 is considered ‘good’, 51 and 100...