* Based upon the Expected 8-Hour Average

8-hour averages are the 8-hour averages which are expected to occur 2 to 4 hours from the indicated time.  These projected 8-hour averages are determined by the most recent 1-hour averages. This information may be useful for those planning outdoor activities during the next few hours.

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Reported concentrations are ppm - parts per million. Please note that the data have not been quality assured at this time.

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Fort Harrison State Park Harding Street Fortville Monrovia Trafalgar Washington Park Whitestown Avon Fairland Noblesville

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