New Delhi, July 24 -- Delhi's air quality fell in the "satisfactory' category for the second consecutive day, with the Air Quality Index recorded at 76 around 6:30 am on Thursday, July 24- slightly more than that recorded a day earlier.

On Wednesday, the Air Quality Index (AQI) in Delhi was recorded at 67 at 4 pm, according to the Central Pollution Control Board (CPCB).

An AQI between zero and 50 is considered 'good', 51 to 100 'satisfactory', 101 to 200 'moderate', 201 to 300 'poor', 301 to 400 'very poor', and 401 to 500 'severe'.

Published by HT Digital Content Services with permission from MINT....