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New Delhi was identified as the capital city with the poorest air quality in the world while Bihar’s Begusarai was named as the world’s most polluted metropolitan area, according to a new report.
With an average annual PM2.5 concentration of 54.4 micrograms per cubic metre, India had the third worst air quality out of 134 countries in 2023 after Bangladesh (79.9 micrograms per cubic metre) and Pakistan (73.7 micrograms per cubic metre), according to the World Air Quality Report 2023 by Swiss organisation IQAir.
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