Ragweed Allergy: Complete Guide
Summary — Ragweed
- Scientific name
- Ambrosia artemisiifolia
- Family
- Asteraceae
- Season
- August to September
- Zones
- Central and Eastern Europe
- Toxicity (Ct)
- 1.5 — High
Ragweed Pollination Period
Ragweed pollen is active from August to September. 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 ragweed pollen levels in your city.
Geographic zones
Ragweed is mainly found in: Central and Eastern Europe.
Symptoms of Ragweed 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 ragweed is 1.5. It is one of the most aggressive allergens.
Cross allergies
People allergic to ragweed 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 ragweed 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.