Most heavily polluted city (measured in μg/m³ of PM2.5)
Statistics

The most air-polluted cities (measured in μg/m³ of PM2.5 concentration):

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The most air-polluted cities (measured in μg/m³ of PM2.5 concentration): .   Pakistan Lahore, : 97.4 .  China Hotan : 94.3   India […]