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The MPCA said the air is at its worst in the late afternoon and early evening, causing problems for people with respiratory or cardiovascular problems as well as the elderly, children and those who are physically active.
The MPCA suggests that people exercise in the early morning, reduce or avoid heavy exertion, or move indoors to air conditioning to avoid any potential health problems.
People are being asked to help reduce air pollution by reducing driving when possible, refueling only in the morning or late evening when it’s cooler, and postponing use of lawn mowers and other small gas or diesel engines, paints or solvents and recreational fires.
Conditions are expected to improve by Wednesday as north winds bring in cooler and drier air.
