Air quality in San Mateo

20
Good

Air Quality Index

Air quality is satisfactory and poses little or no health risk.

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Pollutants

PM2.5 11 µg/m³
PM10 16.8 µg/m³
NO₂ 9.7 µg/m³
O₃ 40 µg/m³
SO₂ 0.9 µg/m³
CO 104 µg/m³

Air Quality Index

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