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

Watertown

Middlesex County, Massachusetts

2026-03-12 03:00

AQI (China)

Excellent

Pollutants|Pollens

PM2.5

μg/m³

11

PM10

μg/m³

15

Weather

15℃

89%

18 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