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

Watertown

Middlesex County, Massachusetts

2026-05-18 22:00

AQI (US)

Moderate

Pollutants|Pollens

PM2.5

μg/m³

13

PM10

μg/m³

26

Weather

21℃

63%

13 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