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

Fort Collins

Larimer County, Colorado

2026-08-11 00:00
CAQI (Europe)
Medium
Pollutants|Pollens
O3
μg/m³
130.7
PM2.5
μg/m³
13.6
CO
μg/m³
250
Weather
  • ℃
  • ℉
29℃
38%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • CO
Places included
Fort Collins - CSU - 708 S. Mason St.
AQI 54
Fort Collins - West - Laporte Ave. & Overland Tr.
AQI 56
Ft. Collins - CSU Facilities
AQI 23
Data Sources
http://www.airnow.gov/

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AQI 55
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Pierce
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Ault
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Eaton
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Milliken
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Greeley
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