Pollen Count in Rome
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Rome, Italy has a Mediterranean climate with mild, wet winters and warm, dry summers. Pollen seasons vary but generally peak in spring and fall.
Updated: 3/18/2026
Spring pollen comes from trees like olive, cypress, and pine. Grass pollen is abundant in late spring and early summer.
Autumn pollen is mainly from weeds, such as ragweed and mugwort. Rain showers during autumn help to decrease pollen counts. However, be aware of increased mold growth in damp autumn conditions.
Pollen Forecast Chart
Recommendations
When pollen concentrations reach a peak, we suggest these simple steps to help with hay fever. These tips are extra important on windy days when plants are in peak anthesis (the time when they release the most pollen).
- Wear masks if necessary
- Shower after going out
- Wear sunglasses if windy
- Close windows and doors
- Use an indoor air purifier
- Avoid wearing woolen clothes outside
- Limit outdoor activities
Annual Pollen Overview
Check out this month-by-month overview of the daily average pollen count in Rome 🌾. This data is based on previous years and serves as a guideline to help you understand when different pollen seasons typically occur in your city.
| Alder | Birch | Grass | Mugwort | Olive | Ragweed | |
|---|---|---|---|---|---|---|
| Jan | 0.4 | 0 | 0 | 0 | 0 | 0 |
| Feb | 8.1 | 0 | 0 | 0 | 0 | 0 |
| Mar | 21.5 | 14.7 | 11 | 0 | 0 | 0 |
| Apr | 17.1 | 46.8 | 90.6 | 0 | 10.9 | 0 |
| May | 3.9 | 13.1 | 518 | 0 | 572.5 | 0 |
| Jun | 0.3 | 9.8 | 480.1 | 0 | 311.1 | 0 |
| Jul | 0 | 0.1 | 122.7 | 5.5 | 2.7 | 0.2 |
| Aug | 0 | 0 | 29.6 | 224.4 | 0 | 22.6 |
| Sep | 0 | 0 | 3.5 | 68.8 | 0 | 4.9 |
| Oct | 0 | 0 | 0.4 | 7.8 | 0 | 0.1 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
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