Daily pollen overview
Modesto 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.
Modesto pollen summary for 2026-08-29
Modeled daily averages are 27 grains/m³ tree pollen, 5 grains/m³ grass pollen, and 38 grains/m³ ragweed. NAB risk levels are tree Moderate, grass Moderate, and ragweed Moderate.
Selected day snapshot
Averages and peaks derived from Sat, Aug 29, 2026.
Avg total
70
grains/m³
Avg tree
27
Avg grass
5
Avg ragweed
38
Species breakdown
Daily average grains/m³ for each reported allergen.
Tree
Elm27
Ash0
Oak0
Pine0
Birch0
Maple0
Mulberry0
Poplar/Cottonwood0
Cypress/Juniper/Cedar0
Grass
Grass5
Ragweed
Ragweed38
Peak total
125
Peak ragweed
68
Hourly samples
8
Avg total per hour: 70
| Time (America/Los_Angeles) | Tree | Grass | Ragweed | Total | Risk |
|---|---|---|---|---|---|
| 17:00 | 15 | 3 | 22 | 40 | Tree ModerateGrass LowRagweed Moderate |
| 18:00 | 16 | 3 | 22 | 41 | Tree ModerateGrass LowRagweed Moderate |
| 19:00 | 23 | 4 | 33 | 60 | Tree ModerateGrass LowRagweed Moderate |
| 20:00 | 34 | 6 | 48 | 88 | Tree ModerateGrass ModerateRagweed Moderate |
| 21:00 | 23 | 4 | 33 | 60 | Tree ModerateGrass LowRagweed Moderate |
| 22:00 | 48 | 9 | 68 | 125 | Tree ModerateGrass ModerateRagweed High |
| 23:00 | 28 | 5 | 40 | 73 | Tree ModerateGrass ModerateRagweed Moderate |
| 00:00 | 27 | 5 | 38 | 70 | Tree ModerateGrass ModerateRagweed Moderate |
Next 48 hours (forecast)
Ambee hourly forecast in local time (UTC).
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