Delhi-NCR: We all are hearing about stages of GRAP being imposed amid deteriorating air quality of Delhi-NCR but we all wonder what GRAP is. The Commission for Air Quality Management (CAQM) agreed on Sunday to implement an eight-point Stage IV of the graded response action plan (GRAP) in the nation's capital with immediate effect, in addition to all activities under Stages I, II, and III, due to the deteriorating air quality in Delhi-NCR. This occurred when Delhi was covered in a poisonous, oppressive haze for the sixth day in a row., Delhi News, Times Now
The overall air quality index (AQI) in Delhi stood at 402 at 5 pm on Thursday with areas like Anand Vihar recording an AQI of 999. In Noida, Gurugram as well, the air quality had slipped into severe category. , Delhi News, Times Now