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

Northumberland

Northumberland County, Pennsylvania

2025-12-18 19:00

AQI (US)

Moderate

PM2.5

μg/m³

21.7

O3

μg/m³

55.8

PM10

μg/m³

18.9

Weather

9℃

53%

19 kph

1 of 11

Historical Data

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