St. Mary's County Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

St. Mary's County

Maryland

2025-12-07 19:00

CAQI (Europe)

Very Low

PM2.5

μg/m³

11.1

PM10

μg/m³

17

O3

μg/m³

36.5

Weather

6℃

78%

7 kph

1 of 11

Historical Data

Places included

5, Mechanicsville

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Cities Nearby

Chesapeake Ranch Estates-Drum Point