Sunny weather produces more chemical reactions for the pollution and lack of winds prevent the pollution from being blown away.
Los Angeles
SoCal Connected - 2008 Air Pollution in East Los Angeles was released on: USA: 10 February 2012
cars and buses, mostly
Pittsburgh has highest pollution in USA..earlier it was los angeles...but still they are termed as most polluted states in USA
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
Los Angeles Greater area is the most polluted city in the United States.
During the 1970s, the air quality index in Los Angeles was often very poor due to high levels of pollution from vehicles and industry.
Double Features - 2009 was released on: USA: May 2009 (Los Angeles Asian Pacific Film Festival)
Air pollution is typically invisible to the naked eye, but it can cause visible effects such as haze or smog. To accurately assess air pollution levels, specialized equipment like air quality monitors or sensors is needed. These devices measure the concentration of pollutants in the air, providing data on pollution levels.
a topographical map is a map on a serten specific place or area.like for example: Los Angeles and a regular map is a world wide mapit has a massive size , its pretty much like a globe but on expanded paper(:
Pittsburgh, Pennsylvania, replaced Los Angeles, California for the most polluted city in America.