PALMER — The Matanuska-Susitna Borough has issued an air quality warning for the Palmer area until 8 a.m. Friday or until the winds subside.

According to the borough’s hotline, air quality is at the unhealthy to very unhealthy level. Children, the elderly and those with heart or lung conditions are advised to stay indoors and limit physical activity. Healthy adults are advised to refrain from strenuous outdoor activity.

The hotline is updated as conditions change. The number is 352-3878.