Air quality deteriorates to ‘severe’ category in India’s cleanest city Indore

On the ground, however, Indore has been a model city for waste management. In January, it was ranked as the cleanest city in India for the seventh year in a row

https://www.thehindu.com/news/national/madhya-pradesh/air-quality-deteriorates-to-severe-category-in-indias-cleanest-city-indore/article68819002.ece