Canadian Wildfire Smoke Pushes U.S. Air Quality Into Unhealthy Range

TL;DR
Widespread Canadian wildfire smoke blankets the Midwest and parts of the Northeast, driving the Air Quality Index into the unhealthy range (scores over 100, with some areas in the 300s), triggering advisories and emergency measures for more than 100 million people. Officials urge staying indoors, using air purifiers or recirculated air, and wearing high-quality masks (N95/KN95) outdoors, especially for vulnerable groups such as children, pregnant people, older adults, and those with asthma or heart disease.
- Where Americans can expect to see air, health impacts from wildfires NBC News
- Thick wildfire smoke lingers over Mid-Atlantic early Saturday The Washington Post
- Delaware climatologist tells when wildfire smoke should be gone Delawareonline.com
- Unhealthy air in DC region with smoky skies from Canadian wildfires WTOP
- How the Pittsburgh region coped with hazardous air quality from wildfire smoke — and what's next Pittsburgh Post-Gazette
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