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Ten U.S. States With The Worst Air Quality

 

It has been proven in many studies that the air quality in certain sections of the United States has steadily gotten worse over the last decade. The American Lung Association has documented that over four out of every ten Americans or approximately forty-three percent of the entire population, live in regions that have observed unhealthy ozone which is sometimes called smog, and or particle pollution sometimes referred to as soot, of which both have substantial implications for health and can even increase the decline in air quality. There are states in the US that have reported improved air quality than just a few years ago, weather conditions like high temperatures have increased the chances of wildfires resulting in creating higher particle pollution. Here are the seven US states with the worst air quality.

California

Unfortunately for Californians, this state constantly ranks as the most polluted state in the entire United States. The majority of cities that are considered the most polluted based on particle pollution are located in California, with Fresno-Madera being the most polluted of them all. Cities such as Bakersfield, another California city, has also ranked as the worst for short term particle pollution, as well as Los Angeles being the worst in the nation for ozone pollution. The Golden State is the state with the highest level of population density and also has the fifth largest economy on the planet. The major sources of air pollution are derived from automobile traffic, in association with industrial pollution. Pollution that occurs in valley walls tends to come from local topography, specifically due to farming regions and the warm weather. Poor air quality is also enhanced by wildfire smoke.

Pennsylvania

This state has a very long-standing coal industry and has constantly struggled with particle and ozone pollution, stated by the ALA. There are five cities located in Pennsylvania that rank in the top twenty-five most particle polluted cities, namely Pittsburgh. Due to Pennsylvania being a major metropolitan sub-region of New York, it is consistently impacted by regional pollution of the ozone. On a better note, as natural gas increased in popularity in 2003, the use of coal has decreased resulting in the state experiencing a steady reduction in particle matter.

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