India, Jan. 5 -- Air quality in Mumbai deteriorated on Sunday, with the city's overall Air Quality Index (AQI) rising to 140, placing it in the 'moderate' category, according to data from the Central Pollution Control Board (CPCB). The increase was recorded across most monitoring stations, pointing to a citywide accumulation of pollutants rather than isolated spikes.

The current levels mark a sharp decline from last week, when AQI readings ranged between 101 and 108. Several areas reported high pollution levels, with Byculla recording an AQI of 194, among the highest in the city. This was followed by Mazgaon (171), Chhatrapati Shivaji Maharaj International Airport, T2 (169), and Deonar (160).

Elevated AQI readings were also reported fro...