10 Regions in Indonesia with the Cleanest Air This Afternoon (21/1)
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Ambon's air quality is the cleanest in Indonesia this afternoon. Based on the air quality index version of the Ministry of Environment and Forestry (KLHK), Ambon scored 10 on Wednesday (January 21, 2026) at 4:00 PM WIB.
At that time, Ambon's air quality was classified as good, meaning the level of pollutants in Ambon's air was very minimal. Next, South Lampung Regency occupied the second position with an air quality index of 15. Following that, Gresik was in third place with an air quality index of 18.
Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Wednesday, January 21, 2026 at 4:00 PM WIB.
- Ambon (Maluku): 10
- South Lampung Regency (Lampung): 15
- Gresik (East Java): 18
- Rembang Regency (Central Java): 20
- Ternate (North Maluku): 21
- Sukabumi Regency (West Java): 22
- Probolinggo (East Java): 23
- Mojokerto (East Java): 24
- Mataram (West Nusa Tenggara): 25
- South Hulu Sungai Regency (South Kalimantan): 26
(Read: Jakarta's Air Quality This Morning Was the Third Worst in the World (Tuesday, June 6, 2023))
Based on Minister of Environment and Forestry Regulation 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+: dangerous
This means that on Wednesday (January 21, 2026) at 4:00 PM WIB, all these cities had good air quality.
"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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