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Ground Level Ozone
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Ground Level Ozone
Ozone, commonly called smog, is a colorless, odorless gas that can be harmful to human health and plant life. All areas of Oregon currently meet the federal air quality standard for ozone.
Because the Portland-Vancouver area at one time did not meet the standard, DEQ developed an ozone maintenance plan that also includes the Salem-Keizer area. Implementing these plans has ensured that ozone levels in the Portland-Vancouver and Salem areas are in compliance with federal health standards.
More information
- Fact sheet: New Ozone Standard in 2013
- EPA ozone web page
For questions about air quality regulations or permits, see our Contacts page.
For more information about Air Quality call 503-229-5359 or email.
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