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East Coast haze caused by California fires

Some of the skies above New York City, New Jersey and Philadelphia can be hazy, but that's due to smog. Residents in those areas Monday saw a different kind of haze on a day that was sunny and mild -- the smoke blowing east from the deadly California wildfires, WNBC reported.

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Gary Szatkowski, the former head of the National Weather Service's Mount Holly, New Jersey, office, tweeted a map from NOAA showing the direction of the smoke as it advanced on the East Coast, NJ.com reported. The smoke could be seen from Philadelphia to the metropolitan New York City area, Szatkowski said.

The smoke is not expected to be a health hazard on the East Coast. Last week, meteorologist Tom Kines told the Rockland/Westchester Journal News, "The smoke is so high up in the atmosphere. It's kind of diluted anyway as it heads eastward."

People from different parts of the country have also been tweeting about the haze: