Daily pollen overview
Hayward 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.
Hayward pollen summary for 2026-08-29
Modeled daily averages are 15 grains/m³ tree pollen, 3 grains/m³ grass pollen, and 21 grains/m³ ragweed. NAB risk levels are tree Moderate, grass Low, and ragweed Moderate.
Selected day snapshot
Averages and peaks derived from Sat, Aug 29, 2026.
Avg total
39
grains/m³
Avg tree
15
Avg grass
3
Avg ragweed
21
Species breakdown
Daily average grains/m³ for each reported allergen.
Tree
Elm15
Ash0
Oak0
Pine0
Birch0
Maple0
Mulberry0
Poplar/Cottonwood0
Cypress/Juniper/Cedar0
Grass
Grass3
Ragweed
Ragweed21
Peak total
44
Peak ragweed
24
Hourly samples
8
Avg total per hour: 39
| Time (America/Los_Angeles) | Tree | Grass | Ragweed | Total | Risk |
|---|---|---|---|---|---|
| 17:00 | 16 | 3 | 23 | 42 | Tree ModerateGrass LowRagweed Moderate |
| 18:00 | 17 | 3 | 24 | 44 | Tree ModerateGrass LowRagweed Moderate |
| 19:00 | 15 | 3 | 21 | 39 | Tree ModerateGrass LowRagweed Moderate |
| 20:00 | 14 | 2 | 20 | 36 | Tree LowGrass LowRagweed Moderate |
| 21:00 | 14 | 2 | 20 | 36 | Tree LowGrass LowRagweed Moderate |
| 22:00 | 14 | 2 | 20 | 36 | Tree LowGrass LowRagweed Moderate |
| 23:00 | 14 | 2 | 20 | 36 | Tree LowGrass LowRagweed Moderate |
| 00:00 | 15 | 3 | 22 | 40 | Tree ModerateGrass LowRagweed Moderate |
Next 48 hours (forecast)
Ambee hourly forecast in local time (UTC).
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