Over 75% of the US expected to face freezing temperatures this week as rare winter storm ...
Most of the United States is being assailed with extreme winter weather this week as Arctic air blasts south from Canada, ...
Southern states declare emergencies ahead of potentially historic snow, as cold temps chill ...
More than 220 million people across the United States are facing dangerous cold that will also open the door for a ...
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Tracking wildfires in the US
Wildfire smoke creates fine particulate matter that can linger in the atmosphere and spread from coast to coast. According to the US Environmental Protection Agency (EPA), in large quantities ...