Air quality alerts were issued for New York City on Tuesday as hazy skies due to Canadian wildfire smoke descended over the ...

Check out this almost unbelievable time-lapse of wildfire smoke consuming the World Trade Center and the New York City skyline.

Canada geese are pictured along the Hudson River shortly after sunrise, as haze and smoke caused by wildfires in Canada hangs over the Manhattan skyline, June 7.

Nearby wildfire smoke is turning the sky orange in Ottawa, Canada. When the air is an abnormal color, it's hazardous to anybody (beyond those with respiratory issues).