The national capital saw a warm Sunday with the mercury reaching a high of 24.7 degrees Celsius, three notches above the season's average, while the AQI remained in the 'very poor' category.
Hourly PM 2.5 concentration at Anand Vihar was 1,985 micrograms per cubic metre at midnight, which is a whopping 33 times the national safe standard of 60 µg/m
The Centre's Stage IV of GRAP was invoked in Delhi-NCR on Sunday (November 5) in view of the worsening air quality in the national capital and its adjoining areas.
Restrictions imposed under Graded Response Action Plan s (GRAP) Stage II have been withdrawn from Delhi-NCR after marginal improvement in the city s air quality, Commission for Air Quality Management (CAQM) said on Wednesday (February 1) aaa