A blanket of smog has engulfed Delhi, the national capital and adjoining areas. The air quality here has declined to worrying levels. People have been gasping for breath. From the people to the courts to governments, poor visibility and diminishing air quality in the city have troubled everyone.
Air pollution can give rise to deadly lung diseases. According to a report by Scroll, the city has recorded levels of PM2.5 – particulate matter with a diameter of 2.5 microns or less, prolonged exposure to which causes respiratory diseases – that is 430 times the United States standard.
The Indian Express

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