10 Most Polluted Regions in Indonesia This Morning (16/10)
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Air quality in Aceh was the worst in Indonesia this morning. According to the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page as of 08:00 WIB Friday (16/10/2026), Aceh recorded an air quality index value of 9415.
Per KLHK Air Pollution Control Directorate, ISPU is a unitless index describing ambient air quality at a location, measured by impacts on human health, aesthetics, and other living organisms.
ISPU is calculated from 7 air pollutant parameters: PM10, PM2.5, NO?, SO?, CO, O?, and HC, monitored across 72 regional stations.
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Under KLHK Ministerial Regulation No. 14/2020: ISPU 0-50 = Good, 51-100 = Moderate, 101-200 = Unhealthy (harmful to humans/animals/plants).
201-300 = Very Unhealthy (elevated risk for sensitive groups); values above 300 = Hazardous (severe health risks requiring urgent response).
Following Aceh: Central Kalimantan ranked 2nd worst at 4178, South Kalimantan 3rd at 1869. All top three regions fall into the Hazardous air quality category.
Full ranking of 10 worst air quality provinces (08:00 WIB 16 Oct 2026):
1. Aceh: 9415
2. Central Kalimantan: 4178
3. South Kalimantan: 1869
4. South Sumatra: 1005
5. Jambi: 739
6. West Sumatra: 481
7. Riau: 351
8. West Kalimantan: 226
9. East Kalimantan: 190
10. North Sulawesi: 169
"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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