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

Waltham

Middlesex County, Massachusetts

2025-12-28 20:00

AQI (US)

Moderate

PM10

μg/m³

56

PM2.5

μg/m³

6.9

Weather

1℃

67%

3 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