India, Nov. 8 -- The impact of cold northwesterly winds continued across the capital on Friday - bringing stubble smoke from Punjab and Haryana, while also keeping mercury low. The Capital witnessed yet another morning with a thick thick haze of pollutants and shallow fog shrouding the skyline in the early hours, before sunlight improved visibility. Even then, air quality remained in the 'very poor' category.

Delhi's 24-hour average AQI deteriorated to 322 (very poor) at 4 pm on Friday, up from a reading of 311 (very poor) at the same time on Thursday. The share of stubble burning in Delhi's total PM 2.5 concentration stood at 8.68% - marginally lower than the 9.48% contribution recorded on Thursday, a season-high so far, data from the D...