10 Regions with the Least Air Pollution in Indonesia, Saturday Afternoon Tanggerang Regency Ranks 1st

The air quality in Tanggerang Regency this afternoon is the cleanest in Indonesia. Based on the air quality index version of the Ministry of Environment and Forestry (KLHK), Tanggerang Regency had a score of 2 on Saturday (15/11/2025) at 4:00 PM WIB.

At that time, the air quality in Tanggerang Regency was categorized as good, meaning the pollutant levels in the air of Tanggerang Regency were very minimal. Furthermore, Madiun Regency occupied the second position with an air quality index of 13. Next, 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 Saturday, November 15, 2025, at 4:00 PM WIB.

1. Tanggerang Regency (Banten): 2
2. Madiun Regency (East Java): 13
3. Banda Aceh (Aceh): 14
4. Nabire Regency (Central Papua): 16
5. Tarakan (North Kalimantan): 20
6. West Kutai Regency (East Kalimantan): 22
7. Sukabumi Regency (West Java): 23
8. Lumajang Regency (East Java): 25
9. Kapuas Regency (Central Kalimantan): 26
10. Lamongan Regency (East Java): 28

(Read: Forest and Land Fire Hotspots in South Sumatra Increased in Mid-October 2023)

Based on KLHK Regulation No. 14 of 2020 concerning the Air Pollutant Standard Index, KLHK implements the following air quality index classifications.

• 0-50: good
• 51-100: moderate
• 101-200: unhealthy
• 201-300: very unhealthy
• 300+: hazardous

This means that on Saturday (15/11/2025) at 4:00 PM WIB, all these cities had good air quality.

(Read: Due to Forest and Land Fires, ISPA Cases in South Kalimantan Reached 189 Thousand as of September 2023)