10 Areas with the Least Air Pollution in Indonesia, Kutai Barat Regency Ranks 1st on Thursday Morning
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Kutai Barat Regency's air quality on Thursday morning (Dec 11, 2025) is the cleanest in Indonesia.
According to data from the Ministry of Environment and Forestry (KLHK) on Thursday at 06:00 AM WIB, the air quality index in Kutai Barat Regency is 15. Three other cities with the cleanest air quality in Indonesia are Nabire Regency at 16, Mamuju 19, and Malang 20.
Referring to KLHK Regulation No. 14 of 2020 concerning the Air Pollution Standard Index (ISPU), KLHK establishes 5 categories for the air quality index.
- 0-50: good
- 51-100: moderate
- 101-200: unhealthy
- 201-300: very unhealthy
- 300+: hazardous
This means that the current air quality index in Kutai Barat Regency is categorized as good, indicating very minimal air pollution in the area.
Here is a list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Thursday, December 11, 2025, at 06:00 AM WIB.
- Kutai Barat Regency (East Kalimantan): 15
- Nabire Regency (Central Papua): 16
- Mamuju (West Sulawesi): 19
- Malang (East Java): 20
- Madiun (East Java): 21
- Tarakan (North Kalimantan): 22
- Jayapura (Papua): 24
- Lumajang Regency (East Java): 25
- Tomohon (North Sulawesi): 26
- Kapuas Regency (Central Kalimantan): 27
(Read: Hotspots for Forest and Land Fires in South Sumatra Increased in Mid-October 2023)
"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."
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