10 Regions with the Cleanest Air Quality in Indonesia, West Kutai Regency Ranks First This Afternoon
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West Kutai Regency's air quality this afternoon is the cleanest in Indonesia. Based on the air quality index from the Ministry of Environment and Forestry (KLHK), West Kutai Regency scored 7 on Sunday (January 4, 2026) at 4:00 PM WIB.
At that time, West Kutai Regency's air quality was categorized as good, meaning the pollutant levels in West Kutai Regency's air were very minimal. Furthermore, Malang ranked second with an air quality index of 13. Next, Dumai was in third place with an air quality index of 15.
Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Sunday, January 4, 2026, at 4:00 PM WIB.
- West Kutai Regency (East Kalimantan): 7
- Malang (East Java): 13
- Dumai (Riau): 15
- North Penajam Paser Regency (East Kalimantan): 16
- Ambon (Maluku): 18
- Ternate (North Maluku): 19
- Tarakan (North Kalimantan): 20
- South Lampung Regency (Lampung): 21
- Semarang (Central Java): 22
- Sukabumi Regency (West Java): 23
(Read: Last Five Earthquakes Recorded by BMKG (Saturday, July 19, 2025 13:53:43 WIB))
Based on Ministerial Regulation of KLHK No. 14 of 2020 concerning the Air Pollutant Standard Index, KLHK applies the following air quality index classification.
- 0-50: good
- 51-100: moderate
- 101-200: unhealthy
- 201-300: very unhealthy
- 300+: hazardous
This means that on Sunday (January 4, 2026) at 4:00 PM WIB, all these cities had good air quality.
(Read: A 4.7 M Magnitude Earthquake Jolted the Bonin Islands Region)
"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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