Pollen Count in Portsmouth

Friday 😩
Grass: 269.2 g/m³
Mugwort: 67.2 g/m³
Saturday 😩
Grass: 233.5 g/m³
Mugwort: 55.7 g/m³
Sunday 😩
Birch: 1.3 g/m³
Grass: 260.2 g/m³
Mugwort: 76.5 g/m³
See our chart for an hourly overview.

4-Day Chart
Annual Overview

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

Nearby Places

Disclaimer * The pollen count information provided for Portsmouth is for educational purposes only, sourced from the CAMS European air quality database. We cannot guarantee its accuracy or reliability. This information is not a substitute for professional medical advice. Consult a qualified healthcare provider for medical concerns. We are not medical professionals.