India, Dec. 13 -- Even as air quality in Gurugram continued to worsen, hovering around the upper-end of "poor" level on Friday, waste burning went on rampantly unchecked across multiple areas of the city.

PM2.5 emerged as the dominant pollutant on Friday, from waste fires lit up at multiple spots along the Gurugram-Sohna road. At least eight small and large waste fires were spotted at multiple locations, including on vacant plots along the elevated carriageway, including one behind a fuel station-raising safety concerns-around 17 kilometers from the city centre. The waste burning went on for nearly another kilometre past the fuel station, passing through the toll plaza towards Sohna.

Gurugram recorded an air quality index (AQI) of 286 o...