National Park Service reports volcanic material falling on Highway 11 in Kaʻu
The National Park Service reports that tephra is being carried aloft and falling onto Highway 11 (Hawaii Belt Road) in the Ka`u District between the 35 and 37 mile markers.

Tephra defines all pieces of fragments of rock and other material ejected into the air by an erupting volcano. Hawaiʻi County Civil Defense Agency advises drivers do not stop, do not get out of the vehicle and keep all windows rolled up.
There are no road closures at this time, however, road closures could occur without notice.
For more information, visit the County of Hawaii Hazard Impact Map