If you thought you could retire your masks, think again.

Wildfire smoke is dense enough in a handful of states that experts recommend masks for those who can’t stay indoors.

Fires in parts of Canada are blanketing several cities with smoke. Experts recommend limiting time outside, purifying indoor air and wearing a respirator if outside.

When wildfires burn, smoke can travel long distances and degrade air quality far away, posing risks to those breathing it.

If you thought you could retire your masks, think again.

Protect yourself from unhealthy air quality with an at-home purifier.

As wildfire smoke threatens air quality and safety for millions, here’s your playbook to keep your family safe from the damaging effects of smoke.