September 6, 2026 | 01:49 pm
TEMPO.CO, Jakarta - Griffith University (Australia) epidemiologist Dicky Budiman has outlined the dangers of volcanic ash coming into contact with the body, as well as the proper cleaning methods.
"Volcanic ash is vastly different from ordinary ash or dust because it contains silica—which resembles sharp shards of glass—and can cause damage, particularly to exposed areas such as the eyes, nose, mouth, and skin," Dicky told ANTARA in Jakarta on Sunday, September 6, 2026.
Dicky explained that exposure to volcanic ash poses health risks due to irritation. In the eyes, it can cause redness, stinging, watering, and light sensitivity, and may even lead to corneal abrasions.
It can also trigger conjunctivitis, resulting in redness, a burning sensation, and photosensitivity (sensitivity to sunlight).
Regarding the respiratory tract, he noted that exposure can cause nasal and throat irritation, runny nose, and—in cases of high exposure—a dry cough, shortness of breath, or chest pain.
Symptoms may worsen in individuals with asthma or chronic bronchitis, potentially leading to a productive cough (coughing up phlegm) or wheezing.
"People are advised to avoid strenuous activity when airborne volcanic ash levels are high and circulating, as rapid breathing draws the fine volcanic ash particles deeper into the lungs. Furthermore, fresh volcanic ash—meaning ash that hasn't yet been washed away by rain—can carry an acidic coating that intensifies irritation to the lungs and eyes," he said.
Therefore, it is essential to clean up the ash as soon as possible using water. Avoid rubbing the ash into surfaces or shaking out clothing, as this can cause it to spread further.
He also recommends that the public keep windows and doors tightly closed.
Doors should only be opened when necessary or briefly when one needs to go outside. Wear clothing that covers the skin to minimize exposure.
To prevent ash from entering the lungs, one should wear a mask—such as an N95—that fits tightly over the mouth and nose. "Bear in mind that this is sharp silica dust, so use eye protection—such as safety goggles or glasses. If your eyes become irritated, rinse them immediately with clean water," said Dicky.
Dicky urged anyone experiencing symptoms such as shortness of breath, chest pain, or eye irritation to immediately consult medical professionals at a healthcare facility in order to minimize the adverse health effects of the volcanic ash.
"I want to emphasize the need to remain vigilant and follow updates from official government sources, while also avoiding panic—as panic can ultimately be detrimental to us all," Dicky stated.
Mount Anak Krakatau, located in the Sunda Strait of Indonesia, has been experiencing continuous eruptions—with the highest intensity seen so far in 2026—lasting from Friday night (September 4) through today.
This heightened eruptive activity has generated rumbling sounds and loud blasts that could be heard as far away as the coastal areas of Banten and Lampung.
As of today, the volcanic ash has spread to various regions across Indonesia, including the Greater Jakarta (Jabodetabek) area.
Read: Mount Anak Krakatau Ash Spreads Across Jakarta, Java and Sumatra
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