The 20 Most Air-Polluted Cities on Earth
Lahore in Pakistan has a combination of high vehicle and industrial emissions, as well as smoke from brick kilns, crop residue, general waste burning, and dust from construction.
According to the World Health Organization (WHO), almost the entire global population (99%) breathes air that exceeds WHO air quality limits.
In the above map, we use 2022 average PM2.5 concentrations from IQAir’s World Air Quality Report to visualize the most air-polluted major cities in the world.
As one of the standard air quality indicators used by th…
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