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  2. Air quality in Utah - Wikipedia

    en.wikipedia.org/wiki/Air_quality_in_Utah

    Air quality in Utah is often some of the worst in the United States. [ 1 ] [ 2 ] Poor air quality in Utah is due to the mountainous topography which can cause pollutants to build up near the surface (especially during inversions [ 2 ] ) combined with the prevalence of emissions from gasoline- and diesel-powered vehicles, especially older models.

  3. Climate change in Utah - Wikipedia

    en.wikipedia.org/wiki/Climate_change_in_Utah

    The Milford Flat Fire in 2007 was the largest wildfire ever recorded in Utah. Wildfire smoke can reduce air quality and increase medical visits for chest pains, respiratory problems, and heart problems". [1] Electric vehicle charging station, Lehi Air pollution, 2020 wildfire

  4. Clearfield, Utah - Wikipedia

    en.wikipedia.org/wiki/Clearfield,_Utah

    Clearfield City has a total land area of 7.8 square miles (20 km 2), and a population of 31,909 as of the 2020 Census, making it the fifth largest city in Davis County, behind Layton, Bountiful, Kaysville, and Syracuse. This creates a population density of 1498.1 people per square kilometer or 3860.5 people per square mile.

  5. National Ambient Air Quality Standards - Wikipedia

    en.wikipedia.org/wiki/National_Ambient_Air...

    US counties that are designated "nonattainment" for the Clean Air Act's NAAQS, as of September 30, 2017. The U.S. National Ambient Air Quality Standards (NAAQS, pronounced / ˈ n æ k s / naks) are limits on atmospheric concentration of six pollutants that cause smog, acid rain, and other health hazards. [1]

  6. NowCast (air quality index) - Wikipedia

    en.wikipedia.org/wiki/NowCast_(air_quality_index)

    PM 2.5 AQI of US monitors, calculated utilizing NowCast, courtesy US EPA PM2.5 AQI map, calculated utilizing NowCast, courtesy US EPA. The PM (particulate matter) NowCast is a weighted average of hourly air monitoring data used by the United States Environmental Protection Agency (USEPA) for real-time reporting of the Air Quality Index (AQI) for PM (PM 10 - particles less than 10 micrometers ...

  7. Kaysville, Utah - Wikipedia

    en.wikipedia.org/wiki/Kaysville,_Utah

    Kaysville is a city in Davis County, Utah.It is part of the Ogden–Clearfield metropolitan area.The population was 32,945 at the time of the 2020 census. [6]Kaysville is home to the USU Botanical Gardens, which also serve as an extension location and distance education center for Utah State University.

  8. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    The most commonly used air quality index in the UK is the Daily Air Quality Index recommended by the Committee on the Medical Effects of Air Pollutants (COMEAP). [39] This index has ten points, which are further grouped into four bands: low, moderate, high and very high. Each of the bands comes with advice for at-risk groups and the general ...

  9. Utah - Wikipedia

    en.wikipedia.org/wiki/Utah

    Management of transportation and urbanization are major issues in politics, as development consumes agricultural land and wilderness areas and transportation is a major reason for poor air quality in Utah. On March 18, 2020, Utah suffered a 5.7 magnitude earthquake originating 3.7 mi (6.0 km) northeast of Magna, near Salt Lake City. [44]