ST. PAUL, Minn. (AP) — An air pollution health advisory is in effect for central and southern Minnesota.

The Minnesota Pollution Control Agency says a combination of low clouds, fog and light southeasterly to easterly winds are combining Thursday to cause fine particle pollution to approach a level considered unhealthy.

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Conditions are expected to improve by late afternoon or early evening when increased northwesterly winds begin to break up those pollutants.

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The air quality can be problematic for those with cardiovascular or respiratory disease, the elderly, children, and individuals who are vigorously exercising or working outdoors.

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