Smoke from Oregon wildfires could drift north over the Tri-Cities this weekend, according to the National Weather Service.
Air quality could be impaired. Tri-City residents can get air quality information from the gauge posted at http://bentoncleanair.org.
The Umatilla County Health Department has urged residents to take precautions if the smoke drifts north as expected.
It can increase the risk of illness, particularly for older adults, young children and people with asthma or respiratory or heart conditions.