10 Most Polluted Countries in the World Heading into 2024

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5. India

Score: 10.5

India finds itself among countries with the most hazardous air quality. In March 2023, 12 of the 15 most polluted cities in both South and Central Asia were Indian cities. The country has a PM2.5 concentration of 53.3 μg/m³, and it does not fare well when it comes to water quality either, with an EPI score of 19.4 out of 100 – making it the 13th most water polluted country in the world.

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