Penn State urged students, faculty, staff and visitors to monitor air quality after wildfire smoke from Canada and Minnesota produced unhealthy readings in parts of Pennsylvania.
Hancock canceled the 10th annual Key Ingredients Street Fair on July 16, one day before the Quincy Street event, citing air-quality concerns from wildfire smoke.
St. Louis County updated its wildfire evacuation zones July 28 while public-health officials continued sharing smoke-related guidance for residents, including those in Hibbing.
Michigan EGLE said smoke from ongoing Canadian wildfires could push fine-particle pollution to unhealthy levels beginning July 15, 2026.
The Moore administration announced a Code Red, or very unhealthy, air-quality condition in western Maryland on July 17, 2026, and urged residents to monitor readings and take protective measures.
A July 17 snapshot showed hazardous wildfire smoke in the East, catastrophic flooding in Texas and expanding fires in the Pacific Northwest as firefighting resources stretched across 15 states.
Connecticut DEEP mobilized six Forestry Division firefighters to support wildfire suppression efforts in Quebec as the state continued managing drought-related fire concerns and wildfire-smoke air-quality impacts.
Wildfire smoke transported into western Michigan affected air quality in the Grand Rapids area on July 18, when National Weather Service Grand Rapids displayed Air Quality Alerts across its forecast area.
A National Weather Service outlook dated July 15 identified an Air Quality Alert for St. Paul and Ramsey County for the following day, citing smoke moving southeast from northern Minnesota wildfires.
Wildfire smoke from northern Minnesota moved into Minneapolis and the Twin Cities on July 16, 2026, as an Air Quality Alert covered the area and heat-index values were forecast to reach 95 to 100 degrees.
A western heat wave reaching Montana prompted the Montana Rescue Mission in Billings to open earlier than usual for heat relief, while regional drought and extreme heat continued to raise wildfire concerns.
The National Weather Service Missoula office says smoke from active fires in Washington and Oregon, combined with hot, dry and breezy weather, is expected to continue affecting western Montana.
Montana DEQ listed Helena’s particulate pollution as Unhealthy for Sensitive Groups at 9 a.m. July 27, while National Weather Service forecasts called for smoke and highs near 94 and 102 degrees.
New Jersey health officials advised residents to limit outdoor exposure as smoke from Canadian wildfires created hazy skies and unhealthy air-quality levels across the state on July 17.
Idaho DEQ forecasts Unhealthy for Sensitive Groups air quality in the Treasure Valley on Aug. 1, with an AQI of 135, as wildfire smoke continues to affect the region. An advisory is active in Ada County, where outdoor burning is prohibited.
Annapolis activated cooling centers July 17-18 after Maryland issued a Code Purple air-quality alert as wildfire smoke and heat affected the region.
Smoke from Canadian and northern Minnesota wildfires pushed a station-specific AQI reading to 650 at Detroit-Southwest on July 16, while an air-quality alert remained in effect the following day.
An Idaho DEQ smoke advisory covers Ada County, prohibiting outdoor burning as wildfire haze affects Boise and the Treasure Valley. Here is what residents should do.
Wisconsin issued hazardous-category air-quality advisories on July 17 from wildfire smoke. Here’s what Stevens Point residents should do.
Wildfire smoke has pushed air quality into unhealthy ranges across parts of the U.S. Tonight: check AirNow often, limit time outdoors, and protect lungs—especially if you’re at risk.
Lucas County says EPA health guidance for Toledo air is hazardous until conditions improve. Reduce outdoor exertion, keep kids indoors, and protect lungs.
Chicago IL – NWS issued an Air Quality Alert for Cook County through Monday night amid wildfire smoke. Sensitive groups should limit outdoor time and watch symptoms.
