GettyBalinese Hindus take part in a ceremony, where they pray near Mount Agung in hope of preventing a volcanic eruption, in Muntig village of the Kubu sub-district in Karangasem Regency on Indonesia's resort island of Bali on November 26.
Mount Agung's alert status was raised to the highest in September following a dramatic increase in tremors from the volcano, which doubled the exclusion zone around the crater and prompted more than 140,000 people to leave the area.
It is the second major emission from the Indonesian island volcano this week, and flights have been disrupted.
However, a "red warning" remains in effect, which means an eruption is eminent.
Bali is a popular tourist destination, known for its seaside resorts and sandy beaches. Last night, twenty flights were cancelled, most of m from Australia, and this Sunday low-priced airline AirAsia has cancelled anor 32 flights to and from Indonesian islands of Bali and Lombok.
Satellite imagery Sunday showed the volcanic ash drifting east and southeastward towards Lombok Island.
Travellers to and from the region are being urged to contact their airline or travel agent to find out the status of their flight. The airport on neighbouring Lombok was closed later in the day, as the ash cloud was moving to the south-east of the crater towards the island.
A spokesman for Indonesia's National Disaster Management Agency said the ash cloud was not affecting Denpasar's flight paths and stated that it was still safe to fly in and out of the airport.
Authorities evacuated tens of thousands of people from 224 points on the Indonesian island of Bali this weekend after the eruption of Mount Agung, which spewed big clouds of potentially life-threatening ash into the atmosphere, CNN reported.
Magma has been detected close to the surface on Mount Agung.
The danger zone around Agung was also reduced from a radius of 9 to 12km from the peak in different areas, to a radius of 6 to 7.5km.
While many have since returned, more than 25,000 people remain evacuated in over 200 temporary shelters.
According to official estimates, the holiday island lost at least $110m (£83m) in tourism and productivity during the major evacuation.
Indonesia sits on the "Pacific Ring of Fire" and has more than 120 active volcanoes.