According to world health organization, which is the most polluted city

Los Angeles, California
Mexico city, Mexico
Shanghai, China



  1. 0 Votes

    According to the WHO, in 2011 Ahwaz, Iran is the city with the most air pollution in the world. Overall, Mongolia is the country with the most pollution. These places have the highest level of airborne particles smaller than 10 micrometers. When inhaled, these particles can cause infections, asthma, lung disease, heart disease, and other complications when they enter the bloodstream.

  2. 0 Votes

    i think its shanghai china

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