Daily pollen overview
Lancaster 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.
Lancaster pollen summary for 2026-08-29
Modeled daily averages are 6 grains/m³ tree pollen, 1 grains/m³ grass pollen, and 9 grains/m³ ragweed. NAB risk levels are tree Low, grass Low, and ragweed Low.
Selected day snapshot
Averages and peaks derived from Sat, Aug 29, 2026.
Avg total
16
grains/m³
Avg tree
6
Avg grass
1
Avg ragweed
9
Species breakdown
Daily average grains/m³ for each reported allergen.
Tree
Elm6
Ash0
Oak0
Pine0
Birch0
Maple0
Mulberry0
Poplar/Cottonwood0
Cypress/Juniper/Cedar0
Grass
Grass1
Ragweed
Ragweed9
Peak total
23
Peak ragweed
13
Hourly samples
8
Avg total per hour: 16
| Time (America/Los_Angeles) | Tree | Grass | Ragweed | Total | Risk |
|---|---|---|---|---|---|
| 17:00 | 6 | 1 | 8 | 15 | Tree LowGrass LowRagweed Low |
| 18:00 | 4 | 0 | 6 | 10 | Tree LowGrass NoneRagweed Low |
| 19:00 | 6 | 1 | 8 | 15 | Tree LowGrass LowRagweed Low |
| 20:00 | 6 | 1 | 8 | 15 | Tree LowGrass LowRagweed Low |
| 21:00 | 6 | 1 | 8 | 15 | Tree LowGrass LowRagweed Low |
| 22:00 | 9 | 1 | 13 | 23 | Tree LowGrass LowRagweed Moderate |
| 23:00 | 6 | 1 | 9 | 16 | Tree LowGrass LowRagweed Low |
| 00:00 | 6 | 1 | 9 | 16 | Tree LowGrass LowRagweed Low |
Next 48 hours (forecast)
Ambee hourly forecast in local time (UTC).
Loading forecast…