10 Regions with the Least Air Pollution in Indonesia, Ambon Ranks 1st on Sunday Afternoon
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Ambon's air quality on Sunday (18/1/2026) afternoon is the cleanest in Indonesia.
Based on data from the Ministry of Environment and Forestry (KLHK) on Sunday at 4:00 PM WIB, Ambon's air quality index is 15. Three other cities with the cleanest air quality in Indonesia are Gresik at 16, Malang at 17, and Semarang at 19.
Referring to KLHK Regulation No. 14 of 2020 concerning the Air Pollution Standard Index (ISPU), KLHK has established 5 categories for the air quality index.
- 0-50: good
- 51-100: moderate
- 101-200: unhealthy
- 201-300: very unhealthy
- 300+: hazardous
This shows that Ambon's current air quality index is classified as good, indicating very minimal air pollution in the region.
Below is a list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Sunday, January 18, 2026 at 4:00 PM WIB.
- Ambon (Maluku): 15
- Gresik (East Java): 16
- Malang (East Java): 17
- Semarang (Central Java): 19
- South Lampung Regency (Lampung): 21
- Madiun (East Java): 22
- Probolinggo (East Java): 23
- Tarakan (North Kalimantan): 25
- Lumajang Regency (East Java): 26
- Bengkalis Regency (Riau): 27
(Read: BNPB Records 52 Natural Disasters in Mid-August 2023, Forest and Land Fires Most Numerous)
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