Delhi, air quality index and Central Pollution Control Board

As air in the national capital has turned 'severe' with the air quality index touching nearly 500 in some areas, the Delhi ...
Delhi NCR faces severe air pollution as air quality hits 'severe plus.' GRAP Stage 4 enforced, leading to school closures and ...
Studies show that extreme air pollution is caused by a combination of factors: farmers in rural areas burn crops to clear ...
The average air quality index (AQI) in Delhi stood at 492 on Tuesday at 7 am. The AQI in Alipur, Anand Vihar, Bawana, Narela, ...
GRAP is a series of emergency measures that are put into place by the Commission for Air Quality Management as pollution ...
As the air in the national capital has turned 'severe' with the air quality index touching nearly 500 in some areas, the ...