Why Is It So Hazy? Wildfire Smoke Brings Red Skies, Health Warnings
Companies, agencies, institutions, etc
the National Oceanic and Atmospheric Administration
Columbia University
the Environmental Protection Agency
People
Nadja Popovich
Josh KatzWildfire
Róisín Commane
Groups
American
Physical locations
North America
the East Coast
Midwest
Lehigh Valley
Places
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Locations
Canada
the Western United States
Toronto
Philadelphia
New York City
Baltimore
Narragansett
R.I.
Pennsylvania
Washington, D.C.
Virginia
Events
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Summary
Smoke from blazes in the Western United States and Canada stretched across North America this week.
As said here by Nadja Popovich, Josh Katz