Los Angeles Commute: How External Car Emissions Enter and Pollute Your Home’s Air Ducts.

Imagine you’re in your Los Angeles home, perhaps in Silver Lake or the Valley, finally unwinding after battling the 405. You open a window, hoping for that fresh California breeze, only to notice a fine layer of dust on your sills, an almost imperceptible grit on your furniture. It’s not just ordinary dust. It’s the invisible byproduct of countless exhaust pipes, brake pads, and tire particles from the very streets of the City of Angels, finding its way into your sanctuary. What many Angelenos don’t realize is that much of this external pollution isn’t just settling on surfaces; it’s being systematically drawn into the very heart of your home’s respiratory system: your air duct network.

The Invisible