![]() One of the reasons for Utah's poor air quality is its mountainous topography, which can cause pollution to build up near the surface. Utah's air quality index is 51.2, which puts it in the "moderate" AQI range and makes Utah the state with the worst air quality on average. ranked on all three of the American Lung Association's cleanest cities lists for ozone, year-round particle pollution, and short-term particle pollution. However, some residents live in areas where the air is unhealthy due to emissions from power plants. Maine saw a large improvement in air quality from 2018 to 2019. These measures will push Oregon to be a 100% clean economy by 2050 and Oregon's electricity to come from 100% clean, renewable, and affordable sources by 2050. Two ballot measures are being pushed in Oregon for 2020: 100% Clean Economy and 100% Clean Electricity. Currently, all Oregon residents live in areas that meet federal air quality standards. ![]() The state with the fourth-best quality of air in Oregon. Washington's main sources of pollution are motor vehicles, wood smoke, and wildfire burning. ![]() According to the Department of Ecology, 100% of the state's population lives in communities that meet the state and federal air quality standard. Most areas in Washington remain in the "good" AQI range and sometimes reach into the "moderate" range. Washington has both some of the cleanest and some of the most polluted air. Washington's air quality index is 33.5, placing it in third for the best air quality. Most areas can be found in the "good" AQI range most of the year. Both of these areas, however, have seen improvements in air quality in recent years. While the state has good air quality, Alaskans living in Anchorage or Mat-Su Borough will experience particle pollution problems due to wood-burning home heating. AlaskaĪlaska's air quality index is 29.1, the second-best index in the U.S. The largest threats to Hawaii's air quality are volcanic activity and climate change. Honolulu is one of six cities in the U.S. This is well in the good air quality index range. Hawaii has an air quality index of 21.2, the cleanest average air in the U.S. Air quality conditions are hazardous, and this is symbolized by the color maroon. ![]() Air quality conditions are very unhealthy, and this is symbolized by the color purple. At this level, everyone may begin to feel the effects of the air quality, and sensitive groups will feel more intense effects. Air quality conditions are unhealthy, and this is symbolized by the color red. Sensitive groups include older adults, children, and those with lung conditions or diseases. Air quality conditions are unhealthy for sensitive groups, and this is symbolized by the color orange. Those who are sensitive may experience some respiratory symptoms at this level. Air quality conditions are moderate, and this is symbolized by the color yellow. Air quality poses little or no health risk. Air quality conditions are good, and this is symbolized by the color green. The Air Quality Index has six categories that respond to different levels of health concerns. Values of 100 or below are generally thought of as satisfactory however, when values are above 100, air quality is considered unhealthy for certain at-risk groups of people and becomes more unsafe as the value increases. The AQI runs from zero to 500, with zero representing clean air and 500 being the most hazardous. The Air Quality Index (AQI) is an index calculated for four major air pollutants regulated by the Clean Air Act: ground-level ozone, particle pollution, carbon monoxide, and sulfur dioxide. The Air Quality Index is a key tool in the CAA that allows the EPA to provide important information to the public about air quality. The Clean Air Act (CAA) is the federal law that regulates air emissions and authorizes the Environmental Protection Agency (EPA) to establish National Ambient Air Quality Standards (NAAQS) to regulate hazardous air pollutants and to protect public health and welfare. are Los Angeles, Visalia, Bakersfield, and Fresno, all located in California. Additionally, people can experience reduced resistance to infections, increased fatigue, and uncomfortable symptoms such as chest pain, dry throat, wheezing, headaches, or nausea. Pollution in the United States is a serious issue that hurts the planet and is also harmful to humans.Īir pollution can cause various health problems such as accelerated aging of the lungs and decreased function of the lungs, development of asthma, bronchitis, and possible cancer, and cardiovascular and respiratory illness. Pollution is the introduction of harmful contaminants or substances into the environment, causing adverse effects.
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