Central Kalimantan Evening Air Quality (25/9) is the Worst in Indonesia
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Central Kalimantan recorded the worst air quality in Indonesia this evening. According to the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page at 18:00 WIB on Friday (25/9/2026), Central Kalimantan's air quality index reached 838.
Per KLHK Air Pollution Control Directorate, ISPU is a unitless index describing ambient air quality at a location, based on impacts on human health, aesthetics, and other living organisms.
ISPU is calculated from seven air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, and HC, measured across 72 monitoring stations nationwide.
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Under KLHK Minister 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); >300 = Hazardous (requires urgent response).
Following Central Kalimantan: South Kalimantan ranked 2nd (247), West Kalimantan 3rd (237). Central Kalimantan falls in the hazardous category.
Full ranking at 18:00 WIB 25 Sep 2026: 1. Central Kalimantan: 838 2. South Kalimantan: 247 3. West Kalimantan: 237 4. South Sumatra: 179 5. West Sumatra: 175 6. Jambi: 160 7. East Kalimantan: 152 8. Central Papua: 121 9. Riau: 109 10. South Sumatra: 103
"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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