West Kalimantan Evening Air Quality (12/9) Worst in Indonesia
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West Kalimantan has the worst evening air quality in Indonesia. According to the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page at 18:00 WIB on Saturday (12/9/2026), West Kalimantan recorded an air quality index value of 1030.
Per KLHK Air Pollution Control Directorate, ISPU is a unitless index describing ambient air quality at a location, measured based on human health impacts, aesthetic values, and effects on other living organisms.
ISPU is calculated using 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, and HC, monitored across 72 stations nationwide.
(Read: Number of Damaged Houses Due to Sumatra Floods & Landslides (17 December 2025))
Under MOEF 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 over 300 = Hazardous (requires emergency response).
Following West Kalimantan: 2nd place Central Kalimantan (667), 3rd place South Kalimantan (382) -- all three top provinces are in the Hazardous air quality category.
Full ranking for 12 Sep 2026 18:00 WIB: 1. West Kalimantan: 1030 2. Central Kalimantan: 667 3. South Kalimantan: 382 4. South Sumatra: 201 5. Jambi: 174 6. DKI Jakarta: 160 7. East Kalimantan: 154 8. West Sumatra: 142 9. South Sumatra: 131 10. Riau: 130
(Read: Number of Damaged Houses Due to Sumatra Floods & Landslides (17 December 2025))
"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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