The city of Los Angeles is generally considered to have America's worst air pollution problem. Most of California's metro areas have bad air pollution.
The cities that have the worst air pollution is Pittsburgh and Los Angeles
Mexico City
America
The EPA recently conducted a survey in which San Bernardino, and its county, has the worst air pollution rating of any city\county in the U.S. I'm sorry, I don't have the numbers, though.
China is the country with the highest air pollution with 21.5% of the global total.
Asia does.
co2
Vehicles and heavy industry (steel, glass, textile and chemical plants are the worst offenders) are the top contributors to bad air quality in Mexico City.
As of currently, the city of Delhi in India ranks among the world's most polluted cities, with high levels of air pollution caused by factors such as vehicle emissions, industrial activities, and crop burning. Other cities known for significant air pollution include Beijing in China and Lahore in Pakistan.
New York, Las Vegas, Hollywood, Nevada, and so many more!
the environment. and air pollution. it makes it worst for people with asthma.