Of the total 80 hotspots, 38 were found in Riau Province, according to data of the Pekanbaru meteorology station.
Some 21 hotspots were found in Lampung Province, 10 in South Sumatra, three each in Riau Islands and Jambi, two in Bangka Belitung, and one each in North Sumatra as well as West Sumatra.
In Riau Province, the Terra and Aqua satellites detected 36 hotspots in Indragiri Hilir District and two in Pelalawan District.
"Some 32 hotspots were found in Indragiri Hilir, with above 70 percent accuracy of being fire spots, while only one was detected in Pelalawan," Sukisno, head of the Pekanbaru meteorology, climatology, and geophysics station, stated.
Indonesia is currently being hit by prolonged severe dry season that has triggered water shortages in regions, such as East Nusa Tenggara and parts of Java, and forest fires in Kalimantan, Sumatra, and Java.
Reporting by FB Anggoro
Editing by Fardah Assegaf