Pollen information on the 5th Kyushu-Kanto Slightly scattered, will start scattering in earnest soon (Weather forecaster, Chief of day shifts, February 5, 2024) – Japan Weather Association tenki.jp
Pollen information for the 5th: Kyushu – Kanto Slightly scattered. Full-scale dispersal will begin soon.
February 05, 2024 05:58
Today, the 5th, rain and snow are expected to fall over a wide area from Kyushu to Kanto. The full-fledged scattering of pollen has yet to begin, but there will be a few places where pollen will fly before it starts. Just in case, if you have hay fever, please take precautions before going out.
A little bit of pollen flies today too.
Today, the 5th, the weather is expected to deteriorate over a wide area from Kyushu to Kanto. However, the amount of pollen scattered from Kyushu to Kanto is expected to be “low.” There will be a little bit of pollen flying in various places. If you have hay fever, please do not let your guard down and take precautions when going out.
When does pollen scattering start in earnest?
The official pollen dispersal is finally approaching. Cedar pollen is expected to start scattering in parts of Kyushu, Shikoku, Chugoku, Tokai, and Kanto-Koshin in early February. It looks like it will start dispersing soon. The scattering will start in mid-February in the Kinki region, mid-to-late February in Hokuriku and southern Tohoku, and early to mid-March in northern Tohoku. The cedar pollen season is expected to be about the same as usual or start earlier than usual.
The male flowers of Japanese cedar will break out of dormancy smoothly if it is cold in early winter, and once they wake up from dormancy, the warmer the weather, the faster they will bloom. Although temperatures have been relatively high this winter, there has been a large temperature difference, and there was a period of cold weather in the latter half of December, so it is thought that some progress has been made in breaking dormancy. Due to the high temperature in the first half of January, it was confirmed that there were some areas where cedar pollen was slightly floating. The temperature difference will continue to be large, and there will be many cold days in late January, but temperatures in February are expected to remain higher than normal. For this reason, the cedar trees will begin to bloom in February, and in early February, such as Fukuoka and Tokyo, it is expected that the flowers will begin to disperse in early February.
*The scattering start date is the first day when one or more cedar pollen particles per square centimeter was observed for two consecutive days.
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2024-02-04 20:58:38
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