10 Least Air Polluted Regions in Indonesia, Thursday Afternoon Kutai Barat Regency Ranks 1st
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Kutai Barat Regency's air quality on Thursday afternoon (Jan 29, 2026) is the cleanest in Indonesia.
According to data from the Ministry of Environment and Forestry (KLHK) on Thursday at 4:00 PM WIB, the air quality index in Kutai Barat Regency is 16. The three other cities with the cleanest air quality in Indonesia are Nabire Regency at 19, Bontang at 22, and Purwakarta Regency at 23.
Referring to Minister of Environment and Forestry Regulation No. 14 of 2020 concerning the Air Pollutant Standard Index (ISPU), KLHK sets air quality index categories into 5 categories.
- 0-50: good
- 51-100: moderate
- 101-200: unhealthy
- 201-300: very unhealthy
- 300+: hazardous
This means that the current air quality index of Kutai Barat Regency is categorized as good, indicating very minimal air pollution in the region.
Here is a list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Thursday, January 29, 2026, at 4:00 PM WIB.
- Kutai Barat Regency (East Kalimantan): 16
- Nabire Regency (Central Papua): 19
- Bontang (East Kalimantan): 22
- Purwakarta Regency (West Java): 23
- Gresik (East Java): 24
- Madiun (East Java): 25
- Hulu Sungai Selatan Regency (South Kalimantan): 26
- Samarinda (East Kalimantan): 27
- Lampung Selatan Regency (Lampung): 29
- Rembang Regency (Central Java): 31
"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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