The Japanese government issued a pollution warning for 10 prefectures on Thursday.
According to the Environment Ministry, the average amount of particulate matter (PM) 2.5, which measures less than 2.5 microns in diameter, reached 88.3 to 101.7 micrograms per cubic meter on Wednesday. It was expected to remain high throughout Thursday, TBS reported.
The 10 prefectures for which a pollution warning was issued are Fukushima, Niigata, Toyama, Ishikawa, Fukui, Mie, Osaka, Hyogo, Kagawa and Yamaguchi.
This is the first time that so many prefectures have collectively received a such a warning.
The highest average PM 2.5 levels were recorded at observation centers located in Niigata, followed by Fukushima, Toyama, and Kagawa prefectures.© Japan Today