With the reddish-orange skies and smoke-filled air, Californians who had previously never heard of PM2.5 pollution are quickly learning about the Air Quality Index and what they need to do to protect ...

Regular car maintenance isn’t limited to fluid changes, tire pressure, and brake pads. Changing a car’s cabin and engine air filters can also increase the car’s longevity and the passengers’ comfort.

Your car needs air just as much as it needs fuel; air filters keep the inside of the engine free of dust and insects. We tell you how to replace your air filter at the recommended interval, to keep ...

Eric Schildge is terrified to go back to school in a few weeks. An 8th grade English teacher in Newburyport, the fear of in-person learning during a pandemic is familiar to him. He was in the ...

Five MERV-13 filters, measuring 20 inches by 20 inches and 1 inch thick. $100 if you're in a rush, like me. ($50 if you buy in bulk). 20-inch window fan, $19. (Any will do — Use an old one to cut the ...