air quality warnings have been issued again Statewide as hazy Skies return due to smoke from wildfires still burning in Canada the air pollution is strongest in the southern half of the state the National Weather Service lists most of that area as either unhealthy or unhealthy for sensitive groups now that includes people with asthma heart and lung disease the old and very young medical experts are urging anyone with health concerns to wear an n95 mask or stay indoors the air quality index is still nowhere near as bad as it was in early June that's when the state reached an index of 458 500 of course is the highest and most hazardous meteorologists predict winds will shift Friday morning lifting any lingering smoke clearing the skies in time for the holiday weekend