When you think of your HVAC system, you'll probably think of your furnace and air conditioner first. Your air filter may not get much praise, but it's just as important as either of those juggernauts ...

Given that the average person in the U.S. spends 90% of their time inside, indoor air quality can have a significant impact on overall health and well-being. But many people overlook one common ...

Air quality can be impacted by smoke from wildfires. Our reporter set out to build an air filter -- in a style the EPA praised, using only things she already had at home. KUOW is Seattle’s NPR news ...