Pollen Count in Philadelphia, PA — Today
Updated Tuesday, October 20, 2026
Total Pollen Index: 18 / 100 (Low)
Dominant allergen today: Ragweed
Pollen and mold levels
- Tree pollen: 0 (Low)
- Grass pollen: 0.8 (Low)
- Weed pollen (ragweed): 3.7 (Moderate)
- Mold: 3.7 (Moderate)
Plants affecting Philadelphia now
- Ragweed (weed): Universal Pollen Index 1 (Very Low) — out of season
See how Philadelphia ranks against the worst pollen cities today
Pollen indexes: AccuWeather data via Pollen Atlas. Plant detail: Google Pollen API. Figures update through the day.