PORTLAND, Ore. (KOIN) — Portland’s air quality is currently comparable to Los Angeles, despite the ongoing wildfires in Southern California. As of Wednesday morning, Portland has a moderate air ...

An air quality advisory has been issued in the Salem and Portland-Vancouver metro areas due to elevated levels of ozone pollution or smog, according to the Oregon Department of Environmental Quality.

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PORTLAND, Ore. (KOIN) — A buildup of smog is causing moderate air quality levels in the Willamette Valley Tuesday. The National Weather Service has issued an air quality advisory for the region until ...

Amid a 100-degree heat wave, the Oregon Department of Environmental Quality issued an air quality advisory for the Portland metro area over the weekend and the Willamette Valley to Lane County. The ...

The Oregon Department of Environmental Quality has issued an air-quality advisory for the Willamette Valley, the Portland-Vancouver metro area and northern Umatilla County due to elevated levels of ...

PORTLAND Ore. (KPTV) - With wildfires burning in eastern Oregon, there’s a chance smoke will make its way to the Portland metro area, while the week’s high temperatures will come with elevated ozone ...

PORTLAND Ore. (KPTV) - For some people, a heat wave doesn’t mean a break from work, but just a few adjustments. As an Air Quality Advisory from the Oregon Department of Environmental Quality continues ...

PORTLAND, Ore. — An air quality advisory has been issued for the Portland-Vancouver metro area, Willamette Valley and northern Umatilla County due to elevated levels of ozone pollution (smog.) The ...