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.”

An air quality alert was issued by the New York State Department of Health on Saturday due to smoke from wildfires in Canada.

This morning, visible smoke from Canadian wildfires is drifting into New York, causing a spike in fine particles and leading to unhealthy air quality in parts of Western New York,"