The 2019 World Air Quality Report was released by the pollution tracker IQAir and Greenpeace.
Key findings:
India accounts for two-thirds of the world’s most polluted cities — 21 of the most polluted 30 cities; 14 of the highest 20; and 6 of the highest 10.
The ranking is based on a comparison of PM2.5 levels.
Among countries, when population is taken into account, average PM2.5 pollution is highest in Bangladesh, followed by Pakistan, while India is at number 5.
While cities in India, on average, exceed the WHO target for annual PM2.5 exposure by 500%, national air pollution decreased by 20% from 2018 to 2019, with 98% of cities experiencing improvements. These improvements are believed to be largely a result of economic slowdown.
According to it, around 90% of the global population is breathing unsafe air.
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