1. North America
  2. United States
  3. Colorado
  4. Larimer County
  5. Fort Collins

Fort Collins

Larimer County, Colorado

2026-05-20 22:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
109.3
CO
μg/m³
125
PM2.5
μg/m³
2.2
PM10
μg/m³
3
Weather
  • ℃
  • ℉
15℃
58%
9 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • CO
  • PM2.5
  • PM10
Places included
Fort Collins - CSU - 708 S. Mason St.
AQI 114
Fort Collins - West - Laporte Ave. & Overland Tr.
AQI 114
Ft. Collins - CSU Facilities
AQI 4
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Fort Collins
AQI 114
Bellvue
AQI 4
Wellington
AQI 4
Windsor
AQI 9
Severance
AQI 9
Loveland
AQI 9
Pierce
AQI 9
Ault
AQI 9
Eaton
AQI 9
Milliken
AQI 13
Greeley
AQI 97