Understanding Japan’s Hay Fever Season: A Guide for Visitors and Residents If you’ve ever visited Japan during the spring, you may have noticed something unusual: countless people wearing masks, carrying eye drops, and sneezing incessantly. What’s going on? Welcome to Japan’s infamous hay fever season, a time when pollen wreaks havoc on millions of people across the country. In this blog post, we’ll dive into the causes, symptoms, and ways to cope with Japan’s pollen problem. What Causes Hay Fever in Japan? Hay fever, or kafunsho (花粉症) as it’s called in Japanese, is primarily triggered by pollen from cedar (sugi) and cypress (hinoki) trees. These trees were extensively planted after World War […]