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Air Quality Data

The Pollution Standard Index measures the region's air quality that affects the health of our more vulnerable citizens and impacts an active outdoor lifestyle, important for tourism and attracting young professional to the region.
Indicator Data:

average reduction in toxic & polluting emissions -- new 4/26/12
air quality -- updated 11/21/13

average reduction in toxic & polluting emissions -- new 4/26/12


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NV Energy has reduced the total volume of toxic and polluting emission from its energy generation plants, including sulfur dioxide (SO2), Nitrogen Oxide (NoX) and Particulate Matter (PM10), solid or liquid matter responsible for respiratory health impacts.

Curious who conserves energy:  learn more.

air quality -- updated 11/21/13


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The Pollution Standard Index measures the region’s air quality that affects our health and outdoor lifestyle, important for tourism and attracting young professionals to the region. Federal Air Quality regulations have made a big difference in our region’s air quality. In the late 1980s, we had 13 and 14 days a year with unhealthful air quality; several times we exceeded federal pollution standards for carbon monoxide (CO) and particulate matter (PM). We have had several “red” air quality days this year due to wild fires. This indicator is influenced by weather, vehicle miles traveled, congestion, public transportation, alternative transportation, smoke from wild fires or controlled burns or fireplaces, industries, and even how often the roads are sanded. These small particulate are particularily dangereous because they can enter the bloodsteam by passing through the lungs.  Ozone, which particularily affects people with asthma, is typically a summer phenomena from vehicle exhaust, heat, sunlight and wind-carried pollutants from other metropolitan areas.

Unhealthy days for sensitive groups in 2012 were due to dry stagnant air, high winds blowing sand, and wild fires. Unhealthy days in June-July 2008 were related to wild fires in northern California. The Clean Air Act requires the EPA to establish National Ambient Air Quality Standards (NAAQS) and communities with populations larger than 350,000 must report air quality to the public daily.


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