India, Oct. 22 -- The air in the national capital turned 'very poor', even 'severe', in several areas on Wednesday after two days of Diwali celebrations after "green" firecrackers were permitted by the Supreme Court upon the Delhi government's request.

The AQI in Delhi stood at 341 as of 1 pm on Wednesday, making the air quality 'very poor', according to the data available on the website of the Central Pollution Control Board. "Green" crackers are called thus as they are considered less polluting than the usual ones, though sales of the non-permitted ones were also reported.

How bad is the AQI in Delhi?: According to CPCB, an AQI of 0-50 is considered 'good', 51-100 is considered 'satisfactory', 101-200 is considered 'moderate', 201-300...