Wildfire smoke returns to WNY - 13WHAM-TV
- Wildfire smoke returns to WNY 13WHAM-TV
- As wildfire smoke spreads, millions of Americans lack access to respiratory care PBS NewsHour
- Canadian wildfires pollute air over Montana; smoke to clear by Monday Billings Gazette
- Canadian wildfire smoke is back: How will air quality be affected USA TODAY
- Increased wildfire smoke highlights gaps in respiratory care PBS NewsHour
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