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As reported by the Oregon Capital Chronicle, smoke and smog are severely impacting much of Oregon’s air quality, state officials announced on Wednesday.
By mid-day, the Oregon Department of Environmental Quality (DEQ) had issued an air advisory for 20 of Oregon’s 36 counties due to wildfire smoke. Shortly thereafter, a smog alert was issued for the Portland area and Umatilla County.
The smog results from ozone pollution caused by weather conditions and traffic emissions. According to the agencies, ozone forms when hot temperatures and low winds combine with pollutants from cars, gas-powered engines, and chemicals found in paints and aerosols. These pollutants react with sunlight and heat,
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