Canadian wildfire smoke will make for a hazy sky and reduced air quality for Monday into Tuesday. The Air Quality Health Advisory regions consist of: New York City Metro, which includes New York City,

New York City, Long Island and the Hudson Valley will all experience air quality within the 101-150 range on the air quality index Sunday, the state’s Department of Environmental Conservation forecasted—meaning the air could contain fine particles and could be “unhealthy for sensitive groups.”

Officials warned young children and those with respiratory illnesses to take precautions. For weeks, smoke from Canadian wildfires has been drifting across the border.