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China and India saw the largest number of air pollution-related deaths worldwide in 2021, with more than * recorded in each. Together, the world's two most populous countries accounted for approximately ** percent of global deaths from diseases linked to air pollution that year.Â
There are a number of health impacts linked to air pollution. These range from milder symptoms like sore throats and irritated eyes, to more serious effects that increase the risk of premature mortality, including strokes, heart disease, and lung cancer.
In 2024, the world's most polluted countries based on PM2.5 concentrations were Chad, Bangladesh, and Pakistan, with average levels in each country more than ** times above World Health Organization (WHO) recommended guidelines. Although India ranked fifth that year, it was still home to ** of the **most polluted cities in the world in 2024.
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Health risks
Emissions
Sources
Exposure
Overview
* For commercial use only
Basic Account
Starter Account
The statistic on this page is a Premium Statistic and is included in this account.
Professional Account
1 All prices do not include sales tax. The account requires an annual contract and will renew after one year to the regular list price.
