West Kalimantan Morning Air Quality (8/9) is the Worst in Indonesia
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West Kalimantan recorded the worst morning air quality in Indonesia. Based on the Air Pollution Standard Index (ISPU) data from the Ministry of Environment and Forestry (KLHK) as of Tuesday (8/9/2026) 08.00 WIB, West Kalimantan's air quality index reached 594.
According to KLHK's Air Pollution Control Directorate, ISPU is a unitless value describing ambient air quality at a location, measured by impacts on human health, aesthetics, and living organisms.
ISPU is calculated from 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, HC, measured across 72 monitoring stations nationwide.
(Read: Jakarta & Medan Among World's Most Polluted Cities: Air Quality Trends)
Under KLHK Regulation No.14/2020: ISPU 0-50 = Good; 51-100 = Moderate; 101-200 = Unhealthy; 201-300 = Very Unhealthy; >300 = Hazardous requiring emergency response.
Following West Kalimantan: Central Kalimantan (376, 2nd place) also fell into the Hazardous category, while South Sumatra ranked 3rd with 216.
Below is the full ranking of the 10 worst provinces for air quality on the specified date:
1. West Kalimantan: 594
2. Central Kalimantan: 376
3. South Sumatra: 216
4. South Kalimantan: 208
5. Jambi: 186
6. Riau: 176
7. East Kalimantan: 167
8. West Sumatra: 141
9. South Sumatra: 119
10. Banten: 100
(Read: Jakarta & Medan Among World's Most Polluted Cities: Air Quality Trends)
"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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