However, the AQI remained in the 'moderate' category. (PIC/SHADAB KHAN)

Most areas in south Mumbai remained in the 'moderate category' on Sunday evening, according to information from the Centre's SAMEER app. (PIC/SHADAB KHAN)

As air pollution levels continue to rise in Mumbai, the Brihanmumbai Municipal Corporation (BMC) has revised guidelines issued last year for construction sites. (PIC/SHADAB KHAN)

The civic body will also form squads at the ward level to visit construction sites and act if guidelines are flouted. (PIC/SHADAB KHAN)

Sensor-based air pollution monitoring systems will be installed at all construction project work sites and immediate action to be taken if pollution levels are detected above the limit. (PIC/SHADAB KHAN)

Meanwhile, Mumbai recorded a maximum temperature of 32 degrees Celsius while the minimum temperature was 18 degrees Celsius. (PIC/SHADAB KHAN)

Dense smog is seen in the city during early morning today in Mumbai on Sunday. Pic/NIMESH DAVE

While Mumbai is already grappling with the effects of localised pollution and winter moisture, both of which are deteriorating air quality, dust travelling from West Asia appears to be adding to Mumbaikars’ woes. (Pic/NIMESH DAVE)

A dust storm originating in Iran, Afghanistan and Pakistan is exacerbating the city’s already poor air quality, resulting in haze and low visibility. Experts note that a similar phenomenon occurred thrice in 2022, each time worsening the city’s air quality. (Pic/NIMESH DAVE)

On Friday, December 27, Mumbai recorded an overall Air Quality Index (AQI) of Navy Nagar in Colaba recorded an AQI of 302 (very poor) in the morning, it gradually dropped to 265 (poor) in the afternoon. (Pic/NIMESH DAVE)

Meanwhile, the Maharashtra Pollution Control Board (MPCB) AQI monitoring station at Siddhivinayak Nagar in Ulhasnagar recorded an AQI value of 303 (very poor). (Pic/NIMESH DAVE)