10 Most Polluted Regions in Indonesia Tonight (11/11)
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Central Kalimantan has the worst air quality in Indonesia tonight. According to the Air Pollution Standard Index (ISPU) page of the Ministry of Environment and Forestry (KLHK) as of Wednesday (11/11/2026) at 18:00 WIB, the air quality index in Central Kalimantan was recorded at 131.
Per KLHK Air Pollution Control Directorate, ISPU is a unitless index describing ambient air quality at a location, assessed based on impacts on human health, aesthetics, and other living organisms.
ISPU calculation uses measurements from 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, and HC, monitored across 72 stations nationwide.
(Read: 10 Provinces with Largest Peatland Fire Emissions in Indonesia Early October 2026)
Under Environment Ministry Regulation No. 14/2020 on Air Pollution Standard Index: 0-50 = Good air quality; 51-100 = Moderate; 101-200 = Unhealthy (harmful to humans, animals, plants).
Furthermore, 201-300 = Very Unhealthy (elevated health risk for sensitive groups), while values above 300 = Hazardous, requiring immediate emergency response.
Below Central Kalimantan, South Sumatra ranks 2nd worst with 125 index, followed by DKI Jakarta in 3rd place with 110 index.
No regions were recorded with hazardous air quality levels.
Full ranking of 10 provinces with worst air quality in Indonesia at 18:00 WIB Wednesday 11 November 2026:
1. Central Kalimantan: 131
2. South Sumatra: 125
3. DKI Jakarta: 110
4. West Java: 106
5. Jambi: 97
6. Banten: 93
7. Bengkulu: 92
8. Aceh: 90
9. South Kalimantan: 86
10. Central Java: 82
(Read: 10 Provinces with Largest Peatland Fire Emissions in Indonesia Early October 2026)
"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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