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NASA Shares Worrying Images Of US East Coast Engulfed By Smoke From Canadian Wildfires
The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.
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Smoke From N.J. Fires Affects New York City Air Quality
New York City had a weekend ... advisories after a series of brush fires, fueled by extremely dry conditions, erupted around the region. People sensitive to pollution were advised that the air ...