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 ...

A filter crafted with common hardware store supplies outperformed pricey off-the-shelf air filters in tests performed at an advanced EPA chamber that simulates real-world conditions, a recent study ...

SEATTLE — Wildfire smoke is full of small particles that can get into your eyes and lungs causing health problems including chest pain, headaches, or an irregular heartbeat. The Washington Department ...