As cooler days settle over the national capital, Delhi’s air quality has once again plunged to alarming levels. On Friday, the AQI in Delhi was recorded at 591, according to private air quality monitor and forecaster AQI.in. However, the Air Quality Early Warning System (EWS) pegged the AQI much lower, at 310. Visuals show thick smog blanketing the skyline, leaving buildings and roads barely visible from a distance.

Stubble burning continues

The air quality deterioration coincides with a sharp rise in stubble burning across neighbouring states . At least 351 instances of stubble burning were recorded in Punjab on the Thursday— the second-highest daily count this pre-winter season, taking the AQI to “very poor” category. The highest was observed on November 1, when Punjab witnessed 44

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