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

Longmont

Longmont, Colorado

2026-03-12 04:00

AQI (China)

Excellent

Pollutants|Pollens

PM2.5

μg/m³

4.5

Weather

3℃

51%

10 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