Overview

As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect yourself. Here's what to know.
Details
(Image credit: Scott Olson)
Source
Originally published at www.npr.org.
As Canadian wildfires spread smoke across the U. S.

As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect yourself. Here's what to know.
(Image credit: Scott Olson)
Originally published at www.npr.org.