Pollen Count in Portland, OR — Today
Updated Tuesday, October 20, 2026
Total Pollen Index: 3 / 100 (Low)
Dominant allergen today: Tree
Pollen and mold levels
- Tree pollen: 0 (Low)
- Grass pollen: 0 (Low)
- Weed pollen (ragweed): 0 (Low)
- Mold: 1.2 (Low)
See how Portland ranks against the worst pollen cities today
Pollen indexes: AccuWeather data via Pollen Atlas. Plant detail: Google Pollen API. Figures update through the day.