Pollen in Greeley, CO

No notable pollen right now.

Last updated July 28, 2026

Today's indexN/Aout of 5No data

Forecast

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About pollen in Greeley

Pollen activity in Greeley is quiet right now, with no single type standing out as a major irritant today. This is a fairly typical lull for late July, as the region sits between the tail end of grass season and the early stirrings of ragweed, so most residents should find the air relatively easy to tolerate for the moment. Looking ahead, expect this calm to gradually shift over the next several weeks as summer moves toward fall. Grass pollen from lawns and open fields may still linger on warm, dry days, while ragweed and other late-season weeds typically begin building through August. Tree pollen from species common to the area, such as cottonwood, elm, and ash, is not usually a factor this time of year, since those trees release their pollen earlier in spring. For now, conditions remain mild, but it is worth keeping an eye on weed pollen as the season progresses.

Common questions

What is the pollen count in Greeley, CO today?
Greeley, CO has no notable tree, grass, or weed pollen today.