Oregon's index is based on three pollutants regulated by the federal Clean Air Act: ground-level ozone, particle pollution and nitrogen dioxide.
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Feb 1, 2024 · Oregon's air quality is generally considered safe to breathe. In 2019, Oregon cities averaged an annual air quality index (AQI) level of 38, ...
Air Pollution in Oregon: Real-time Air Quality Index Visual Map · Looking for another city? · Measure the air quality in your neighborhood. Participate with ...
Aug 8, 2023 · Air Quality Index (AQI) Summary, Air Quality Index (AQI) Summary By Pollutant, Air Quality Index Information, Air Quality Map, All News, AQI ...
AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air ...