Air

Northwest conservation and anti-pollution organizations say the Trump administration’s changes to a bedrock environmental law from the Nixon era will have major impacts in the region.

Oregon and Washington have joined 26 states and cities in suing the Trump administration over a new rule that weakens emission standards for cars and trucks.

New research shows people of color are more likely to live near Portland’s biggest sources of industrial air pollution. That raises new concerns as the coronavirus pandemic continues.

The Portland metro area is seeing dramatic reductions in highway traffic and traffic-related air pollution as the coronavirus pandemic keeps people off the roads.

GOP state senators could flee the Capitol next week to block a climate bill. Oregon Gov. Kate Brown has been trying to keep them in the building. 

A $1 million court-ordered air pollution monitoring program is kicking into gear this month near the Bullseye Glass facility in southeast Portland. 

New data from the Oregon Department of Environmental Quality shows woodstoves and chimneys emit particulate pollution at levels similar to a wildfire.

A coalition of 21 organizations is petitioning Oregon policymakers to consider establishing a cap on toxic diesel emissions from non-road sources.

Oregon's Department of Environmental Quality developed a new low cost sensor saving them thousands of dollars and allowing them to nearly double the amount of air quality monitors next year.

An air quality advisory has been issued in Northwest and Central Oregon and Southwest Washington due to stagnate air conditions trapping woodsmoke in the air.