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Environmental Center

450 North 1000 West
Logan, UT 84321-3740
(435) 716-9755

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Air Quality Links

Air Quality

Without good air we couldn't live. Unfortunately our air quality has been degrading over the years. We have had to live with an air pollutant called PM 2.5. This is not a new type of pollution, as a matter of fact most of Utah's valley cities have had problems with it before it started afflicting Cache Valley. The Bear River Health Department tests for PM 2.5 and sends the results to the EPA, but it doesn't take a public announcement for those with asthma to tell that the PM 2.5 levels are high. PM 2.5 irritates breathing conditions and can also cause heart problems.

These two links can help keep you informed about Logan's air quality:


PM 2.5 are tiny particles in the air that are seen as smoke or a gray haze in the sky. In order to keep our air healthy we should listen for public announcements and learn what you can do to improve the air quality. Air quality is graded as green, yellow, or red burn days.


On   Green   Burn Days: wood burning is allowed and air quality is good.


On   Yellow   Burn Days: wood burning is discouraged and we are encouraged to carpool and use public transit.


On   Red   Burn Days: wood burning is prohibited and driving more than needful is discouraged. We should carpool or ride our bikes.