Experts are urging everyone to be ready if wildfire smoke is in their region. Wearing a well-fitted N95 mask outside can be one of the ways to reduce risk.

A heat warning is also in effect for Montreal and the surrounding areas, with the warm weather expected to return on Tuesday and Wednesday. The forecasts highs are 31 to 33 C, but with combined ...

Experts break down when you should wear a disposable face mask to protect yourself and those around you.

For the full year, 3M reported 12.3% sales growth in its health care segment, which includes its respirator masks and products such as hand sanitizers. Mike Roman, CEO and chairman of 3M, told CNBC ...