Hazy sky caused by yellow sands

Even after brief rain in this early morning, here in Fukuoka, we now have a hazy sky. This is believed to be because of yellow sands conveyed by strong winds from China. The busiest season of yellow sands should be spring, but in these years, they frequently come flying to Japan in all seasons.
In such hazy atmosphere, hiking, one of my favorite,  is not so fun because of limited view from mountain peaks. My concern is that the fine sand particles might adsorb various toxic materials from Chinese environment and fall onto Japan, possibly causing allergic reaction or chronic toxicity.

On a fine clear day.

 Today in the yellow sand.

 Today's yellow sand forecast.