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.
The air quality in Mexico City is horrible.
The worst air quality in my area typically occurs during stagnant weather conditions, such as high pressure systems that trap pollutants close to the ground. The best air quality happens when there is strong winds or precipitation that help to disperse and remove pollutants from the air.
El Paso!
The cities that have the worst air pollution is Pittsburgh and Los Angeles
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.
Mexico City
los angeles
America
Wichita KS
Yes.If you dont clean our surroundings the polution will getting worst because of that polution.
Jack Landau has written: 'City of Portland air quality handbook' -- subject(s): Air quality management, Air, Pollution