New Delhi [India], December 28 (ANI): Due to incessant rain, Delhi's air quality improved significantly. According to the Central Pollution Control Board, the Air Quality Index (AQI) in the national capital was recorded at 179 at 7am on Saturday.
An AQI between 0-50 is considered good, 51-100 is satisfactory, 101-200 is moderate, 201-300 is poor, 301-400 is very poor, and 401-500 is severe.
On Friday, Delhi's air quality
