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A view of dense smog Delhites are trapped in
Battling with the existing air pollution levels, New Delhi preceded Beijing when it came to poor air quality. While aqicn.org ranked Beijing at 25 (Good) in its Air Quality Index, Delhi's map was awash in deep red and purple flags at this time of the year recently. The Indian capital was ranked at 552 (Hazardous) in deep red letters. The level of Particulate matter 2.5 (PM 2.5) was especially alarming as it soared up to 999 during the day.
