
When New York City's skyline turned an eerie orange color with smoke from widespread wildfires in Canada, it was an all-too-familiar sight for residents of the Western U.S. In recent years, record-setting wildfires have darkened the sky for weeks at a time with unhealthy air, upending life for Westerners.
Hazardous wildfire smoke is becoming an increasing problem around the country, as NPR's California Newsroom has reported. The risk is only expected to rise, as a hotter climate helps create bigger and more severe fires that can take months to contain.