HealthJul 17, 2026How to Improve Indoor Air During Wildfire SmokeLarge wildfires in Ontario, Canada, and northern Minnesota produced smoke that spread across parts of the U.S., creating "very unhealthy" to "hazardous" air quality ...Wildfire smokeAir purifiers
HealthJul 17, 2026Wildfire Smoke Raises Health Risks Across U.S.Smoke from wildfires in Canada and Minnesota has carried across large parts of the United States, prompting air quality alerts in the Northeast, Mid-Atlantic, Upper ...Wildfire smokeAir quality index (AQI)
