Not every mask stops wildfire smoke; only an N95, KN95 or FFP2 with a tight seal keeps the tiny particles out.

Officials in many cities urged residents to stay inside or wear masks outside as air quality reached unhealthy to hazardous ...

A smoke-dazed pigeon walked up to Oakland's Engine 29 crew for help. They gave it oxygen with a tiny mask, it flew off, and ...

Canadian wildfire smoke drifting into northern New Jersey is highly unlikely to postpone Sunday's World Cup final but ...

Forecasters say the smoke Saturday is not expected to be as concentrated at ground level as Thursday's event, when parts of ...

Canada wildfires send hazardous smoke across US cities, triggering air quality alerts, cancellations and widespread public ...

Officials in many cities urged residents to stay indoors or wear masks outside as air quality reached unhealthy to hazardous ...

Thick pollution has made the air stretching from Winnipeg to the southern US unhealthy to breathe and officials are ...

It's unclear how much, if at all, smoke from Canadian wildfires will affect the World Cup final between Argentina and Spain ...

The 2026 FIFA World Cup final in New York New Jersey stadium faces a significant health threat from wildfire smoke.