Air quality in Boulder

Fair

Air Quality Index

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

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PM2.5 3.4 µg/m³

PM10 4 µg/m³

NO₂ 11.1 µg/m³

O₃ 75 µg/m³

SO₂ 0.9 µg/m³

CO 142 µg/m³