Smoke from Canadian wildfires has prompted health warnings across the Upper Midwest for the second year in a row -- and Illinois could be hit next. Fires raging in British Columbia and Alberta have ...
A satellite image of the United States on Monday morning. Wildfire smoke could be seen from the northern Plains to the Appalachian Mountains. (NOAA/GOES-EAST) Millions of people across the central and ...
Add Yahoo as a preferred source to see more of our stories on Google. Air quality across the central and eastern United States on Wednesday morning. The air quality was still "unhealthy" to "dangerous ...
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