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Concentration Data

Important: This information is published as soon as the values are detected, and does not imply that the data have passed quality assurance validation procedures.

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The O3 (PPB) at South Bend - Shields Dr on 11/8/2026 chart showing 2ace2043-7c45-ed11-b80d-0cc47a6e8699 series.
O3 (PPB) at South Bend - Shields Dr on 11/8/2026