According to an official, the Mazagaon air monitoring station recorded AQI 454, which is labelled as 'severe' category, while Deonar and Navy Nagar-Colaba stations recorded AQI 324, which is categorised as 'very poor'.
The Central Pollution Control Board's (CPCB) Sameer app showed that the city's Air Quality Index (AQI) stood at 449 in the severe category at 8 am on Saturday...
