An official website of the State of Oregon
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Find active advisories on DEQ's online Air Quality Index or on the free OregonAir app for smartphones. Visit the Oregon Smoke Blog for wildfires advisory details.
Smog forms when hot temperatures and low winds combine with pollution from cars, gas-powered engines and chemicals in paints and aerosols.
Officials urge residents to protect their health and limit activities that cause pollution. Recommendations include:
Smog irritates the eyes, nose and lungs, and contributes to breathing problems, reduced lung function and asthma. Consult your health care provider if these symptoms worsen. DEQ and health officials recommend that children, pregnant women, asthma sufferers, those with lung or heart conditions and adults age 65 and older limit outdoor activity. Pollution levels tend to be highest during afternoon and early evening.
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