Some people with allergies claim that they sometimes experience more symptoms after rain. What is the effect of rain on grass pollen?
When it rains when grass and weed pollen is high, drops can hit the ground and break up clumps of pollen into smaller particles. They then quickly disperse, causing a sudden increase in allergy and allergic asthma symptoms during the rain shower. This tends to happen more during sudden, heavy downpours.
Joan Nyika Thank you. This is a good explanation that corresponds well with the experiences of the people with allergies I have talked to.
When it rains when grass and weed pollen is high, drops can hit the ground and break up clumps of pollen into smaller particles. They then quickly disperse, causing a sudden increase in allergy and allergic asthma symptoms during the rain shower. This tends to happen more during sudden, heavy downpours
https://community.aafa.org/blog/how-does-rain-affect-pollen-levels#:~:text=When%20it%20rains%20when%20grass,more%20during%20sudden%2C%20heavy%20downpours.
When rains start and if grass pollen is high in the ground, rain drops can hit the ground and break up the pollen cluster into smaller element. Then the pollen quickly disperses, causing an abrupt enhances in allergy and allergic asthma symptoms during the rain shower. This is likely to happen more for the period of sudden, intense downpours.
I agree with explanations by Joynal Abedin and by Subhash Chavare.
You are welcome, Kjartan. It is a pleasure to interact with scientists from Scandinavia. I never met Knut Faegri, but I was guest in Draved, with Johannes Iversen and had the honor of discussing the ideas of my dissertation with him. Wonderful people! All the best for you. Hector
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