Daily pollen overview
Irvine 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.
Irvine pollen summary for 2026-08-29
Modeled daily averages are 33 grains/m³ tree pollen, 6 grains/m³ grass pollen, and 46 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
85
grains/m³
Avg tree
33
Avg grass
6
Avg ragweed
46
Species breakdown
Daily average grains/m³ for each reported allergen.
Tree
Elm33
Ash0
Oak0
Pine0
Birch0
Maple0
Mulberry0
Poplar/Cottonwood0
Cypress/Juniper/Cedar0
Grass
Grass6
Ragweed
Ragweed46
Peak total
101
Peak ragweed
55
Hourly samples
8
Avg total per hour: 85
| Time (America/Los_Angeles) | Tree | Grass | Ragweed | Total | Risk |
|---|---|---|---|---|---|
| 17:00 | 39 | 7 | 55 | 101 | Tree ModerateGrass ModerateRagweed High |
| 18:00 | 36 | 7 | 51 | 94 | Tree ModerateGrass ModerateRagweed High |
| 19:00 | 37 | 7 | 52 | 96 | Tree ModerateGrass ModerateRagweed High |
| 20:00 | 30 | 6 | 42 | 78 | Tree ModerateGrass ModerateRagweed Moderate |
| 21:00 | 29 | 5 | 40 | 74 | Tree ModerateGrass ModerateRagweed Moderate |
| 22:00 | 31 | 6 | 43 | 80 | Tree ModerateGrass ModerateRagweed Moderate |
| 23:00 | 30 | 6 | 42 | 78 | Tree ModerateGrass ModerateRagweed Moderate |
| 00:00 | 30 | 6 | 42 | 78 | Tree ModerateGrass ModerateRagweed Moderate |
Next 48 hours (forecast)
Ambee hourly forecast in local time (UTC).
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