Princeton Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Princeton

Mille Lacs County, Minnesota

2026-06-22 17:00

AQI (US)

Good

O3

μg/m³

55.3

PM2.5

μg/m³

4.2

PM10

μg/m³

7.2

NO2

μg/m³

1.1

CO

μg/m³

48.8

Weather

22℃

46%

6 kph

8 of 11

Historical Data

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