Daily pollen overview
Sioux Falls pollen count
Aggregated Ambee readings across the last 345 day(s). Select a day to load hourly detail.
Risk levels use category-specific National Allergy Bureau thresholds. Weed is labeled Ragweed because it is the sole weed species in the current multi-region dataset.
Sioux Falls pollen summary for 2026-08-29
Modeled daily averages are 47 grains/m³ tree pollen, 9 grains/m³ grass pollen, and 66 grains/m³ ragweed. NAB risk levels are tree Moderate, grass Moderate, and ragweed High.
Selected day snapshot
Averages and peaks derived from Sat, Aug 29, 2026.
Avg total
121
grains/m³
Avg tree
47
Avg grass
9
Avg ragweed
66
Species breakdown
Daily average grains/m³ for each reported allergen.
Tree
Elm47
Ash0
Oak0
Pine0
Birch0
Maple0
Mulberry0
Poplar/Cottonwood0
Cypress/Juniper/Cedar0
Grass
Grass9
Ragweed
Ragweed66
Peak total
172
Peak ragweed
93
Hourly samples
8
Avg total per hour: 121
| Time (America/Chicago) | Tree | Grass | Ragweed | Total | Risk |
|---|---|---|---|---|---|
| 19:00 | 66 | 13 | 93 | 172 | Tree ModerateGrass ModerateRagweed High |
| 20:00 | 65 | 13 | 92 | 170 | Tree ModerateGrass ModerateRagweed High |
| 21:00 | 58 | 11 | 81 | 150 | Tree ModerateGrass ModerateRagweed High |
| 22:00 | 42 | 8 | 58 | 108 | Tree ModerateGrass ModerateRagweed High |
| 23:00 | 39 | 7 | 55 | 101 | Tree ModerateGrass ModerateRagweed High |
| 00:00 | 34 | 6 | 48 | 88 | Tree ModerateGrass ModerateRagweed Moderate |
| 01:00 | 33 | 6 | 47 | 86 | Tree ModerateGrass ModerateRagweed Moderate |
| 02:00 | 36 | 7 | 50 | 93 | Tree ModerateGrass ModerateRagweed High |
Next 48 hours (forecast)
Ambee hourly forecast in local time (UTC).
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