Wildfire smoke up is to 10 times more harmful to breathe than other air pollution, new study finds

Choking smoke from record wildfires blanketed Northern California last summer and fall. … Fires from the Santa Cruz Mountains to the Southern Sierra sent enormous plumes of smoke over the state’s largest cities, and as far away …

  • You already voted!
  • Read More

Get Unlimited Free Access

Join 6,000 other readers who get their news from us