People refraining from open gym in Delhi-NCR

While AQI in Delhi is in the "severe plus" category, the highest grade of computation at 435, the US Embassy is denoting a sharp improvement in PM 2.5 levels compared to the peak values on Friday of 454.

Earlier till Friday, in the wake of favourable boundary layer meteorology prevailing between Delhi and the stubble burning regions, supported by calm surface wind condition in Delhi, accumulation of pollutants sharply increased as stubble share in Delhi's PM2.5 touched a season high of 44 per cent on October 31 and 38 per cent on November 1.