Pollen Count in Portsmouth
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Friday
😩
Grass: 269.2 g/m³
Mugwort: 67.2 g/m³
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Saturday
😩
Grass: 233.5 g/m³
Mugwort: 55.7 g/m³
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Sunday
😩
Birch: 1.3 g/m³
Grass: 260.2 g/m³
Mugwort: 76.5 g/m³
- See our chart for an hourly overview.
Morning Alerts ☀️. Start Your Day Prepared! 🌿 Sign up for daily morning high pollen count alerts.
Portsmouth has pollen seasons. Trees release pollen in spring. Oak, ash, and hazel trees produce a lot of pollen. This happens from March to May.
Grass pollen season starts in late spring. It continues through summer. Grasses release pollen in June and July. This is the worst time for people.
Weed pollen season is in late summer. Ragwort and nettle plants produce pollen. This season usually ends in September. Pollen counts are lower then.
Winter months have low pollen counts. Few plants release pollen then. From October to February, it's relatively pollen-free. People can enjoy being outside.
Pollen Forecast Chart
Recommendations
When pollen counts are high, we suggest doing these things to help with allergies, especially on windy days when pollen is flying around.
- 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 Portsmouth 🌾. 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 | 0.1 | 0 | 0 | 0 | 0 | 0 |
Feb | 14.2 | 0 | 0 | 0 | 0 | 0 |
Mar | 14 | 65.4 | 0 | 0 | 0 | 0 |
Apr | 0.2 | 131.1 | 2.8 | 0 | 0.2 | 0 |
May | 0 | 5.4 | 48.8 | 0 | 0.3 | 0 |
Jun | 0 | 0.3 | 523 | 15.1 | 0 | 0 |
Jul | 0 | 0 | 150.5 | 53.9 | 0 | 0 |
Aug | 0 | 0 | 16.3 | 8.1 | 0 | 0.2 |
Sep | 0 | 0 | 1.6 | 0.8 | 0 | 3.7 |
Oct | 0 | 0 | 0 | 0 | 0 | 0 |
Nov | 0 | 0 | 0 | 0 | 0 | 0 |
Dec | 0 | 0 | 0 | 0 | 0 | 0 |