Daily pollen overview
Norfolk 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.
Norfolk pollen summary for 2026-08-29
Modeled daily averages are 19 grains/m³ tree pollen, 3 grains/m³ grass pollen, and 27 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
49
grains/m³
Avg tree
19
Avg grass
3
Avg ragweed
27
Species breakdown
Daily average grains/m³ for each reported allergen.
Tree
Elm19
Ash0
Oak0
Pine0
Birch0
Maple0
Mulberry0
Poplar/Cottonwood0
Cypress/Juniper/Cedar0
Grass
Grass3
Ragweed
Ragweed27
Peak total
57
Peak ragweed
31
Hourly samples
8
Avg total per hour: 49
| Time (America/New_York) | Tree | Grass | Ragweed | Total | Risk |
|---|---|---|---|---|---|
| 20:00 | 22 | 4 | 31 | 57 | Tree ModerateGrass LowRagweed Moderate |
| 21:00 | 21 | 4 | 30 | 55 | Tree ModerateGrass LowRagweed Moderate |
| 22:00 | 20 | 4 | 28 | 52 | Tree ModerateGrass LowRagweed Moderate |
| 23:00 | 18 | 3 | 25 | 46 | Tree ModerateGrass LowRagweed Moderate |
| 00:00 | 16 | 3 | 23 | 42 | Tree ModerateGrass LowRagweed Moderate |
| 01:00 | 18 | 3 | 26 | 47 | Tree ModerateGrass LowRagweed Moderate |
| 02:00 | 19 | 3 | 27 | 49 | Tree ModerateGrass LowRagweed Moderate |
| 03:00 | 17 | 3 | 24 | 44 | Tree ModerateGrass LowRagweed Moderate |
Next 48 hours (forecast)
Ambee hourly forecast in local time (UTC).
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