On the 22nd, DSS from the continent flew in and was observed in the northern Japan, Hokuriku, and Chugoku regions. It is expected to spread to the Pacific Ocean side late at night.

The "visibility" of the range clearly visible to the naked eye is less than 10 km, and in some places less than 5 km. In areas where DSS flies, yellow sand is expected. to adhere to laundry outdoors, and if visibility is less. than 5km, traffic may be affected.