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The original item was published from 9/27/2011 2:46:40 PM to 9/29/2011 12:05:01 AM.

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Environmental Programs

Posted on: September 28, 2011

[ARCHIVED] Spare the Air Day

Summer Spare the Air alerts are triggered by concentrations of ground-level ozone pollution reaching an unhealthy level, usually brought on by clear skies, hot temperatures, and light winds. For more information about Spare the Air alerts, please visit

Spare the Air website