Air quality dips on a Hazy Day: Maids wearing mask going back to their homes as toxic smog covers the national capital region's skyline and air quality deteriorates to the ''severe'' category at Noida, UP on the outskirts of New Delhi, India, on, Nov. 04, 2020. Smog is an ongoing severe air-pollution event in New Delhi and adjoining areas in the National Capital Territory of India. Photo Credit: Indian Photo Agency (InPA)