With pollution levels nearly 100 times higher than the standards set by the World Health Organisation, air quality in the national capital remained in the "severe category." Many parts of the capital were engulfed in smog, and the AQI stood well above 500. The air quality index should ideally be no more than 50., India News, Times Now
While New Delhi has always suffered poor air quality closer to the winter months, especially due to stubble burning from neighbouring states, Mumbai has surprisingly ovetaken the national capital with a very high AQI (air quality index) score of its own.
New Delhi is world s most polluted capital for 3rd straight year: Study
Crop stubble burning in Punjab and Haryana
(Photo: Reuters)
Neha Arora
, Reuters
In 2020, New Delhi s average annual concentration of PM2.5 in a cubic meter of air was 84.1, the study said, more than double the level of Beijing, which averaged 37.5 during the year, making it the 14th most polluted city in the world
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NEW DELHI :
New Delhi was the world s most polluted capital for the third straight year in 2020, according to IQAir, a Swiss group that measures air quality levels based on the concentration of lung-damaging airborne particles known as PM2.5.