Air quality in St. Louis

Fair

Air Quality Index

Air quality is acceptable. Extremely sensitive people may experience minor symptoms.

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PM2.5 5.3 µg/m³

PM10 5.6 µg/m³

NO₂ 6 µg/m³

O₃ 86 µg/m³

SO₂ 2.2 µg/m³

CO 169 µg/m³