Lamongan Regency Has the Cleanest Air Quality in Indonesia This Afternoon (9/11)

Lamongan Regency's air quality is the cleanest in Indonesia this afternoon. Based on the air quality index from the Ministry of Environment and Forestry (KLHK), Lamongan Regency had a score of 1 on Sunday (9/11/2025) at 4:00 PM WIB.

At that time, Lamongan Regency's air quality was categorized as good, meaning the pollutant levels in Lamongan Regency's air were very minimal. Next, Madiun Regency ranked second with an air quality index of 13. Following that, Banda Aceh was in third place with an air quality index of 14.

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Sunday, November 9, 2025 at 4:00 PM WIB.

1. Lamongan Regency (East Java): 1
2. Madiun Regency (East Java): 13
3. Banda Aceh (Aceh): 14
4. West Kutai Regency (East Kalimantan): 18
5. Tarakan (North Kalimantan): 19
6. Bojonegoro Regency (East Java): 23
7. Lumajang Regency (East Java): 25
8. West Kotawaringin Regency (Central Kalimantan): 26
9. Kapuas Regency (Central Kalimantan): 27
10. Rembang Regency (Central Java): 28

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Based on KLHK Regulation No. 14 of 2020 concerning the Air Pollution Standard Index, KLHK implements 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 (9/11/2025) at 4:00 PM WIB, all these cities had good air quality.

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