Depleting air quality has become a major environmental and health issue in recent times. Post-Diwali, owing to the crackers and stubble burning, pollution levels have only reached an alarming high, with AQI levels becoming more severe than ever in Delhi NCR.

from Times of India https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/how-air-pollution-impacts-different-parts-of-the-body/photostory/87847552.cms