New Delhi, Nov. 2 -- Delhi's air turned visibly murkier on Sunday as toxic smog blanketed the skyline, blurring buildings and bringing another sharp spike in pollution levels.

According to the Central Pollution Control Board (CPCB), the city's 24-hour average Air Quality Index (AQI) soared to 366, plunging deep into the 'very poor' category and marking the second-highest 24-hour AQI for this season after Friday's reading of 373.

Particulate Matter (PM2.5) remained the dominant pollutant behind the capital's worsening air, CPCB's 4 p.m. bulletin noted. Of the 39 air quality monitoring stations across Delhi, 28 recorded 'very poor' air, while three slipped into the 'severe' zone.

The worst-hit areas included Wazirpur (416), Burari (403 ), ...