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

Watertown

Middlesex County, Massachusetts

2025-12-30 03:00

AQI (US)

Good

PM2.5

μg/m³

2.1

PM10

μg/m³

3

Weather

0℃

61%

26 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

Get the App

Air Matters

Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby