A new study finds that smoke from massive wildfires has eroded about a quarter of the air quality gains from the last few decades.
Centers for Disease Control studies increased asthma-related ER visits by 17% nationwide during 19 of the smokiest days. On the worst air quality day in New York state, those visits spiked 82%.
In Madison, Wis., the air quality was measured at 242 Thursday morning— a "very unhealthy" purple alert rating that many other communities shared, particularly in the Midwest.
Much of the Northeast U.S. is blanketed in a murky haze of wildfire smoke. For most people breathing this air is unpleasant, for others it can be life-threatening. There are ways to reduce the risk.
Christina Lamoureux planned a perfect wedding. Now she is among the unlucky set of soon-to-be married couples frantically making contingency plans as clouds of polluted air linger over their nuptials.
How bad does the air get inside your house? What should schools do about recess? Western states have grappled with all that before.
Millions of Americans are under air quality alerts as wildfires burn in Canada. Experts say the weather pattern could change by early next week, and stress the need to take precautions until then.
In Southern California, pollutants from wildfire smoke caused up to a 10% increase in hospital admissions. Researchers say there's a need for better air monitoring and public health programs.
Scientists know that tiny particles from smoke can be inhaled deep into a person's lungs and even enter the bloodstream. But the long-term health effects of this are not fully understood.
As fires continue to rage in California, smoke is causing health problems for some residents. Public health officials warn against breathing polluted air.