As the country braces for deteriorated air quality with the approaching winter season, Nepal has been once again ranked as one of the most polluted countries in the world.

The State of Global Air report 2020 places Nepal among the top 10 countries with the highest outdoor PM2.5 levels in 2019. With an annual average emission of 83.1 micrograms per cubic meter (μg/m3) of PM2.5 in the country, Nepal was placed only behind India.

Over 90 percent of the world’s population experienced annual average PM2.5 concentrations that exceeded the World Health Organization’s Air Quality Guideline of 10 μg/m3, according to the report, released on Wednesday.

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