Caledonia Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

Caledonia

Houston County, Minnesota

2026-05-20 12:00

AQI (China)

Excellent

Pollutants|Pollens

O3

μg/m³

27.3

PM2.5

μg/m³

1.2

PM10

μg/m³

1.2

Weather

7℃

81%

13 kph

1 of 11

Historical Data

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