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

Watertown

Middlesex County, Massachusetts

2025-12-30 07:00

AQI (US)

Good

PM10

μg/m³

11

PM2.5

μg/m³

1.6

Weather

-3℃

53%

46 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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