Hawaii Ashfall Advisory | Effective 04/23/2026 12:04

Headline: 
Ashfall Advisory issued April 23 at 9:04AM HST until April 23 at 6:00PM HST by NWS Honolulu HI
Event: 
Ashfall Advisory
Urgency: 
Expected
Effective: 
April 23, 2026 - 12:04pm
Expires: 
April 23, 2026 - 9:00pm
Description: 
* WHAT...Kilauea is erupting lava fountains within the summit caldera. Fountaining episodes typically last less than 12 hours but ash can remain in the air longer depending on wind and weather conditions. * WHERE...Big Island South and Big Island Southeast. * WHEN...Until 6 PM HST this evening. * IMPACTS...The public will be affected by a limited hazard extent. Varying levels of tephra, including ash, Peles hair and other lightweight pumice may fall downwind of the eruption. These small particles are eye and respiratory irritants, but will have low level impacts for most people.
Instruction: 
Limit exposure to tephra, especially if you have respiratory sensitivities. Wear a mask, gloves, eye protection, and long clothing when clearing ashfall. Close windows and doors. Cover and disconnect water catchment systems to protect your water supply.
Area Description: 
Big Island South; Big Island Southeast
Forcast Office: 
NWS Honolulu HI