Cedar pollen scattering tends to be at or below normal in many areas this season Ministry of the Environment. 16 prefectures including Tokyo and Osaka had an increase of 80% or more to 120%.
14 prefectured including Kyoto and Hiroshima are below 80%, which is below normal. Four prefecture of Iwate, Aichi, Hyogo, and Shimane are at over 120% higher than normal. The season for cedar pollen scattered usually begins around February, and the government urges people to wear masks and glasses.