Press Release

January 29, 2007
  • Health & Chemicals

Final Prediction of the Total Pollen for the Coming Spring

As announced on Dec. 22, 2006 by the Ministry of the Environment's advance report on the prediction of the total pollen for the coming spring, the total of Japanese cedar and cypress pollen by region in the coming spring will be about 20% to 100% of the average year. The prediction also says that the onset of the Japanese cedar bloom and pollen diffusion will be at about the same time as, or a little later than that of the average year.

The amount of airborne pollen varies depending on the area. In the Hokkaido and the northern Tohoku regions next spring, the amount is expected to be about 80% to 100% of the average year. In the southern Tohoku region, the amount is expected to be 50% of the average year; in the Kanto-Koshinetsu region, about 20 to 30%; in the Hokuriku and the Tokai regions, about 30 to 50%; in the Kinki region, about 40 to 70%; in the Chugoku and the Shikoku regions, about 60 to 90%; and finally in the Kyushu region, the same as or a little less than the average year.

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