Pollen Level
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Gathering pollen, air quality, and weather data for you.
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Gathering pollen, air quality, and weather data for you.
Gathering pollen, air quality, and weather data for you.
Pollen Level
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Air Quality
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Fort Collins's allergy season is relatively mild compared to other US regions, running from April through September. However, the dry air and altitude around Fort Collins, CO create unique challenges — pollen travels further and dry conditions can irritate airways.
Right now: October is clear in Fort Collins. Fall dust from harvests may bother sensitive individuals.
Spring
Apr – Jun
Juniper, pine, and cottonwood tree pollen peak at lower elevations.
Summer
Jun – Aug
Grass pollen peaks. Higher elevations see delayed and shorter seasons.
Fall
Aug – Sep
Sagebrush and ragweed in lower elevations. Season ends earlier at altitude.
Dry air near Fort Collins can carry pollen over longer distances, but lower humidity means less mold than in humid regions. Elevation significantly affects local pollen timing — even a 30-minute drive changes conditions. PollenTracker accounts for these variations.
Open another nearby forecast without going back to the map.
YES
Pollen is low and air quality is good. No precautions needed — enjoy your day.
Pollen: Tree pollen risk is low today; source reading: Google UPI 0/5 (None).
Best hours: 13:00-15:00
Some data is estimated or unavailable today.
Pollen Level
None
Google UPI 0/5 · Tree
Air Quality
Unavailable
Live air-quality data is currently unavailable.
Weather
54°F
Sunny · 66% humidity · 3 mph wind
Google UPI 0/5
Google UPI 0/5
Google UPI 0/5