10 Most Polluted Regions in Indonesia Tonight (16/10)
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Central Kalimantan has the worst air quality in Indonesia tonight. Based on the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page as of Friday (16/10/2026) 18.00 WIB, Central Kalimantan recorded an air quality index value of 1267.
According to KLHK Air Pollution Control Directorate, ISPU is a unitless index describing ambient air quality at a location, measured based on impacts on human health, aesthetic values, and other living organisms.
ISPU calculation uses measurements from 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, and HC. Pollutant monitoring operates across 72 stations nationwide.
Per KLHK Minister Regulation No.14/2020: ISPU 0-50 = Good, 51-100 = Moderate, 101-200 = Unhealthy, 201-300 = Very Unhealthy, >300 = Hazardous level requiring immediate action.
Ranked after Central Kalimantan: 2. South Kalimantan (786), 3. South Sumatra (486) – all three are in Hazardous category.
Full ranking as of 16 Oct 2026 18.00 WIB: 1. Central Kalimantan:1267, 2. South Kalimantan:786, 3. South Sumatra:486, 4. Jambi:461, 5. West Sumatra:329, 6. Riau:320, 7. West Kalimantan:214, 8. Aceh:206, 9. East Kalimantan:175, 10. North Sulawesi:167
"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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