10 Regions with the Least Air Pollution in Indonesia, Lamongan Regency Ranks 1st on Sunday Afternoon
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Lamongan Regency's air quality on Sunday (16/11/2025) afternoon is the cleanest in Indonesia.
Based on data from the Ministry of Environment and Forestry (KLHK) on Sunday at 4:00 PM WIB, Lamongan Regency's air quality index was 9. Three other cities with the cleanest air quality in Indonesia are Madiun Regency at 13, Tarakan 19, and Sukabumi Regency 22.
Referring to KLHK Regulation No. 14 of 2020 concerning the Air Pollution Standard Index (ISPU), KLHK established 5 categories for the air quality index.
- 0-50: good
- 51-100: moderate
- 101-200: unhealthy
- 201-300: very unhealthy
- 300+: hazardous
This indicates that Lamongan Regency's current air quality index is classified as good, meaning air pollution in the region is very minimal.
Here is a list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Sunday, November 16, 2025, at 4:00 PM WIB.
- Lamongan Regency (East Java): 9
- Madiun Regency (East Java): 13
- Tarakan (North Kalimantan): 19
- Sukabumi Regency (West Java): 22
- Lumajang Regency (East Java): 25
- Hulu Sungai Selatan Regency (South Kalimantan): 26
- Samarinda (East Kalimantan): 27
- South Lampung Regency (Lampung): 29
- Asahan Regency (North Sumatra): 30
- Banyuwangi Regency (East Java): 31
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