The fresh air came after days of acrid smoke from wildfires, but officials warned that conditions could rapidly worsen again.
Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...
Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, closed-toed shoes and cut-resistant gloves. Clean or decontaminate anything ...
The infernal blazes burning in Southern California are raising concerns about the potential airborne hazards they may be ...