Nigeria, Niger Most Exposed to Pm2.5 Pollution

27 October 2020

New Delhi — Nigeria and Niger are among the world countries with the highest concentrations of PM2.5, and the problem is worsening, the State of Global Air 2020 report warns.

According to the report, Nigeria showed a PM2.5 concentration of 70.4 while that of Niger was 80.1. India and Nepal have the highest concentrations of PM2.5. India has been recording steady increase of PM2.5 pollution over the past decade. The report put India on top of countries showing high exposure to PM2.5 concentration at 83.2 micrograms per cubic metre of air, followed closely by Nepal with 83.1 micrograms per cubic metre.

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