GURUGRAM, INDIA - NOVEMBER 3: People are seen wearing a face mask due to rise in pollution, on November 3, 2019 in Gurugram, India. The air quality index (AQI) hit 473 at 9 am, according to Central Pollution Control Board (CPCB) data. The air quality at most monitoring stations was in the ‘severe’ category. At ITO, the AQI levels were 488, while at Anand Vihar and RK Puram they were 483 and 457. (Photo by Yogendra Kumar/Hindustan Times )
