Air Quality

A new analysis from Pacific Northwest scientists show which communities' air is the most cough-inducing during wildfire season.

The government in Lahore has closed schools and public spaces and shut down factories. Environmental lawyer Ahmad Rafay Alam shares his perspective: "frustrated" but still fighting.

People along the Interstate 5 corridor, from Cowlitz County to the Portland metro area, reported a mysterious and pungent odor in the air starting Tuesday night.

The average air quality in several areas east of the Cascades is expected to remain at levels considered “unhealthy for sensitive groups” over the next few days.

As Oregon's summer skies become increasingly filled with wildfire smoke, four communities will have an opportunity to see just how unhealthy their air is.

Prescribed fires in Deschutes National Forest help mitigate potential wildfire catastrophe in Central Oregon but create unhealthy air quality overnight.

Radius Recycling, formerly Schnitzer Steel, has settled with the Oregon Department of Environmental Quality over air quality violations in North Portland.

Mustard-yellow colored nitric acid seen in the sky last week is being looked into by the Benton Clean Air Agency in Washington state.

Officials advise those living in the affected area to stay indoors as much as possible.

People can protect themselves by avoiding it and keeping kids and pets away too.