Are Canadian wildfires under control? Here’s what to know. https://ift.tt/G6CnOyD

Here’s what to look for in an air purifier for wildfire smoke https://ift.tt/6bscwL4

Hazardous air quality due to smoke from Canadian wildfires sparks health concerns in U.S. Northeast https://ift.tt/LlyrYdg

Hazardous air quality from Canadian wildfires affecting millions of Americans https://ift.tt/2bL6T49

Haze could hang around Northeast and beyond for days, experts warn https://ift.tt/L6cAizJ

Pope Francis to undergo intestinal surgery https://ift.tt/kdY9X2J

Wildfire smoke costs U.S. workers more than $100 billion a year in pay https://ift.tt/cRrLhsd

Health impacts of exercising in bad air quality https://ift.tt/B7pldyb

How poor air quality impacts your health https://ift.tt/LzxEZhA

Millions of Americans under air quality alerts as Canada wildfires rage https://ift.tt/v0ec9zJ