8-year-old carries plant in protest outside Haryana Vidhan Sabha

 As stubble burning in the fields continued, a blanket of smog engulfed Punjab and Haryana with the PM 2.5 level extremely high at some places over 800, on Sunday.

PM 2.5 is tiny particles in the air that reduce visibility and cause the air to appear hazy when levels are elevated.

PM 2.5 AQI in industrial town Mandi Gobindgarh was at 844 at 7.30 a.m., the worst in the state.

Comparatively, its neighbouring industrial hub Ludhiana saw a day's high of 241. This was the highest in the 24 hours, according to website BreeZo.