Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

Each New England state has seen an uptick in the number of days over the last five years when fine particulate matter (PM2.5) or ozone exceeds air quality standards that are considered “unhealthy for sensitive groups.

States across the U.S. are feeling the impact of the Canadian wildfires as air quality takes a hit from the smoke, according to a government website that tracks air quality in the United States. As of Monday,