FAIRBANKS - Cold, still air has settled in the North Pole and Fairbanks areas and North Pole residents are again under an air quality advisory.
Fine particulate pollution in North Pole exceeds federal standards, resulting in unhealthy air, according to the Fairbanks North Star Borough.
People with respiratory or heart disease, the elderly and children should avoid prolonged exertion, while others should limit exertion.
The air quality in Fairbanks is rated as unhealthy for sensitive groups. The borough notes that air quality may vary by neighborhood. Particulate pollution will be more concentrated in neighborhoods where buildings are heating by wood and coal and in parking lots if cars are idling. Pollution will be less concentrated in the hills
Poor air quality is expected to persist through Friday.
For more information, visit the Fairbanks North Star Borough website.