Air quality in Oregon is monitored, mapped and displayed by the U.S. federal government and tracked live at airnow.gov. Check here for the most up-to-date information on current air quality and air quality forecasting. Smoke forecasting is also available here.
That website also serves as a resource for how to best protect yourself and your family in response to wildfire smoke, and addresses the following issues:
How to reduce exposure to wildfire smoke
How to know if smoke will be in your area
How to protect your health when you do not have air conditioning/HVAC
Health effects of wildfire smoke
When local officials issue warnings or cancel local activities
Where can I go for information about wildfire smoke and Coronavirus (COVID-19)?