Researchers used worn face masks and an aircraft HEPA filter as low-cost, noninvasive tools to sample and analyze airborne microbes. The findings show that shared indoor air is dominated by harmless, ...

Clean indoor air has become more important than ever. While allergens like dust, dander, mold, and bacteria are all teaming up to infiltrate the air you breathe, the widespread wildfire smoke ...

The Clean Air Act only covers outdoor air, but some pollutants lurk indoors. I consulted experts to determine whether air ...

Although indoor air might not be as harmful as some people may have feared, Hartmann emphasizes that airborne spread is just one way infections can travel. For many common illnesses, other routes—such ...