Over 2,000 masks have been disbursed to the villagers around the volcano in eastern Flores island to ease the impact of the eruption, he told Xinhua via phone.
Mount Egon in Sikka district has erupted on and off since December but has been over drive in recent days.
In 2008, Mount Egon volcano erupted by spewing 6-km ash column into the sky.
About 6,000 people were forced to flee homes in 2004 when the volcano erupted.
Mount Egon is one of 129 active volcanoes in Indonesia, an archipelago country situated in a quake hit zone calledthe Pacific Ring of Fire.
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