The US Environmental Protection Agency (EPA) maintains the AIR Now Web site, which contains a wealth of air quality information for citizens. A recent addition to the site is the Air Quality Web Cams page, which lists links to several dozen Web cams around the country and is used to demonstrate levels of visibility and a possible correlation to air quality. Each link is operated by an outside individual or agency, so the information provided may differ. The Chicago (IL) camera, for example, which is part of the Midwest Haze cam site, looks out onto Lake Michigan and gives the ozone level in the area, along with current weather conditions such as temperature, humidity, and wind speed. Other sites that are offered include Denver, Boston, Seattle, Tucson, and even the Grand Canyon in Arizona and Look Rock in the Smokey Mountains.
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