Being exposed to lingering fine particulate matter (PM 2.5) from wildfire smoke can have health effects for up to three months afterwards, well beyond the couple of days that previous studies have ...

Millions of Americans across 10 states are being warned as toxic air sweeps across the region, with some alerts urging ...

Just when you thought you could finally enjoy some decent weather, Mother Nature decides to remind you that she’s still the boss. Wildfire smoke from Canadian fires is drifting south like an unwelcome ...

Following the devastating fires that swept through Los Angeles in January, concerns are on the rise about the long-term health impacts of smoke inhalation. While previous studies have mainly focused ...

Days after a wildfire, a type of smoke can linger in the atmosphere that contains tiny, brown, light-absorbing particles known as tar balls. These particles are believed to have a significant impact ...

More bad air is expected around the Boyle Heights warehouses that has been burning since Wednesday.

Wildfire smoke is no longer just a short‑lived air quality problem drifting over cities for a few hazy days. New research shows that when these plumes rise high into the atmosphere, they can spawn ...

The Los Angeles wildfires have caused devastating losses of homes and lives — and survivors may also face hidden, although still potentially very dangerous, health effects. Wildfire smoke contains a ...

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Several rounds of wildfire smoke will move across Colorado this week, bringing hazy skies, reduced visibility and periods of ...