Olympic Region Clean Air Agency
Air quality summary for April 2012
Jimmy Werner and Mark Moore, slides by Mark Moore, 08May12
Olympic Region Clean Air Agency, Olympia, WA 98501
Numerical and Categorical* April 2012 Air Quality (PM2.5)
Aberdeen: 30 days GOODCheeka Peak Observatory: 26 days GOOD and 4 days Unknown**Lacey: 30 days GOODPort Angeles: 30 days of GOODPort Townsend: 30 days GOODRaymond: 30 days GOODShelton: 30 days GOOD
* According to the Washington Air Quality Advisory (WAQA)** Server failure
Olympic Region Clean Air Agency, Olympia, WA 98501
Ozone Season May 1 – September 31
• Ground level Ozone
• Measured as 8-hour average
• Standard : 75 parts per billion (ppb)
• Monitors in:Yelm, Lacey and Cheeka Peak
More information at:http://airnw.us/ozone
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