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

Fort Collins

Larimer County, Colorado

2026-05-13 12:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
37
O3
μg/m³
61.1
PM2.5
μg/m³
7.8
CO
μg/m³
125
Weather
  • ℃
  • ℉
10℃
71%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • CO
Places included
Fort Collins - CSU - 708 S. Mason St.
AQI 19
Fort Collins - West - Laporte Ave. & Overland Tr.
AQI 20
Ft. Collins - CSU Facilities
AQI 37
Data Sources
http://www.airnow.gov/

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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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