10 Areas with the Cleanest Afternoon Air (Jan 15) in Indonesia
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Gresik's air quality this Thursday afternoon (Jan 15, 2026) is the cleanest in Indonesia.
Based on data from the Ministry of Environment and Forestry (KLHK) on Thursday at 4:00 PM WIB, Gresik's air quality index was 13. Three other cities with the cleanest air quality in Indonesia are Mojokerto at 15, West Kutai Regency 18, and Ternate 20.
Referring to KLHK Regulation No. 14 of 2020 concerning the Air Pollutant 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 Gresik's current air quality index is classified 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, January 15, 2026, at 4:00 PM WIB.
- Gresik (East Java): 13
- Mojokerto (East Java): 15
- West Kutai Regency (East Kalimantan): 18
- Ternate (North Maluku): 20
- Sukabumi Regency (West Java): 22
- Semarang (Central Java): 23
- Bekasi Regency (West Java): 24
- Kapuas Regency (Central Kalimantan): 26
- Rembang Regency (Central Java): 27
- Bontang (East Kalimantan): 28
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