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  2. Denver Air Connection - Wikipedia

    en.wikipedia.org/wiki/Denver_Air_Connection

    On June 1, 2019, the airline began its first Essential Air Service (EAS) contract at Alliance Municipal Airport under the Denver Air Connection brand, using the Fairchild Swearingen Metroliner. The service offers 12 weekly round trips to Denver. Only one of Key Lime Air's Metroliners is set up using the required 9-seat configuration. [4]

  3. Denver metropolitan area - Wikipedia

    en.wikipedia.org/wiki/Denver_metropolitan_area

    Through a variety of measures the area's air quality was improved and in 2002 the EPA designated the area in compliance with all federal health-based air quality standards. Denver was the first major city in the United States to reach compliance with all six of these standards after previously violating five of them. [9]

  4. 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 ...

  5. How to understand the Air Quality Index - AOL

    www.aol.com/news/how-to-understand-the-air...

    The EPA says that in this range, air quality is acceptable, but there may be a health risk for some people, such as folks who are "unusually sensitive to air pollution." When the index is between ...

  6. List of countries by air pollution - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_air...

    Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike. Air pollution is a particularly big problem in emerging and developing countries, where global environmental standards often cannot be met. The data in this list refers only to outdoor air quality and not indoor air quality, which ...

  7. Category:Air quality index - Wikipedia

    en.wikipedia.org/wiki/Category:Air_quality_index

    Air quality index; A. Air Pollution Index; Air Quality Health Index (Canada) I. ... This page was last edited on 17 January 2022, at 13:19 (UTC).

  8. List of most-polluted cities by particulate matter concentration

    en.wikipedia.org/wiki/List_of_most-polluted...

    The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries. Air quality in the database is represented by the annual mean concentration of particulate matter ( PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively).

  9. Air pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_the...

    Air pollution in Los Angeles has caused widespread concerns. In 2012, the Public Policy Institute of California (PPIC) Survey on Californians and the Environment showed that 45% of citizens in Los Angeles consider air pollution to be a "big problem", and 47% believe that the air quality of Los Angeles is worse than it was 10 years ago. [96]