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Pollen Level
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Air Quality
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Missoula's allergy season is relatively mild compared to other US regions, running from April through September. However, the dry air and altitude around Missoula, MT create unique challenges — pollen travels further and dry conditions can irritate airways.
Right now: July is peak grass pollen at higher elevations near Missoula. Wildfire smoke can compound respiratory issues.
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 Missoula 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
Conditions are manageable, but Tree pollen is moderate and air quality is fair. Most people can head out with light precautions.
Pollen: Tree pollen is medium today at 50 grains/m³.
Best hours: 14:00, 19:00-20:00
Weather
72°F
Partly Cloudy · 53% humidity · 9 mph wind
~5 grains/m³