Wildfire smoke and air quality updates: Northeast flights disrupted
Air quality alerts have been issued for states across the Northeast.
Hazy and dangerous fumes from ongoing wildfires in Canada have engulfed the skies over much of the East Coast, prompting serious air quality alerts in over a dozen states.
Canadian officials said firefighters are scrambling to put out the blazes. So far this wildfire season, Canada has seen more than 8.7 million acres burned -- an area larger than the state of Vermont.
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Why the poor air quality could cause a host of symptoms -- even in healthy people
Exposure to concentrated amounts of fine particulate matter can cause both short-term effects such as irritation of the eyes, nose and throat; coughing, sneezing; and shortness of breath, and long-term effects such as worsening asthma and heart disease, according to the Environmental Protection Agency.
Fine particles are able to enter the body through the eyes and lungs. Not everyone feels the same symptoms, and the pollution can exacerbate existing health issues, such as asthma and allergies, Peter DeCarlo, associate professor of environmental health and engineering, told ABC News.
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-ABC News' Julia Jacobo
New Jersey closes state offices early
New Jersey's state offices closed early Wednesday as the air conditions worsened, Gov. Phil Murphy announced.
The governor has urged residents to limit their time outside.
New York City tops list of world's worst air quality rankings
New York City is topping the list of the world's worst air quality rankings by a landslide, according to IQ Air, which monitors air quality worldwide.
New York City reached 392 on the AQI Wednesday afternoon, which is in the worst category -- hazardous -- on the U.S. government’s air quality tracker. Wednesday shattered New York City's record for the highest AQI since records began in 1999.
Dubai and Delhi came in at No. 2 and No. 3 in the world with 168 and 164, respectively.
NY issues another Air Quality Health Advisory for Thursday
New York state officials have issued another Air Quality Health Advisory for Thursday for the entire state with the exception of the Adirondacks.