Alder Allergy: Complete Guide
Summary — Alder
- Scientific name
- Alnus
- Family
- Betulaceae
- Season
- February to March
- Zones
- Northern and Western Europe
- Toxicity (Ct)
- 1 — Standard
Alder Pollination Period
Alder pollen is active from February to March. Monthly pollination calendar:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
AirPollens Tip
Check our real-time map to see current alder pollen levels in your city.
Geographic zones
Alder is mainly found in: Northern and Western Europe.
Symptoms of Alder allergy
- Sneezing fits, especially in the morning
- Rhinitis: runny nose
- Allergic conjunctivitis: red, watery, itchy eyes
- Nasal congestion
- Fatigue and irritability
AirPollens Toxicity Coefficient
The toxicity coefficient (Ct) of alder is 1. Its allergenic potential is standard.
Cross allergies
People allergic to alder pollen may react to certain foods. Complete guide to cross allergies.
Tips and prevention
- Check the AirPollens map every morning
- Go out after rain (pollen is washed away)
- Keep windows closed during peak pollination
- Rinse your nose with saline solution in the evening
- Wear sunglasses to protect your eyes
Real-time data
Track alder pollen levels in real time on the AirPollens interactive map.
Sources
Data from Open-Meteo CAMS, Atmo France, RNSA, EAN and Copernicus. Toxicity coefficient calculated by the proprietary AirPollens algorithm.