10 Most Polluted Regions in Indonesia This Morning (1/5)
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West Java recorded the worst air quality in Indonesia this morning. According to the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page at 08.00 WIB on Friday (1/5/2026), West Java's air quality index scored 365.
As defined by KLHK Air Pollution Control Directorate, ISPU is a unitless value representing ambient air quality at a specific location, measured by impacts on human health, aesthetics, and other living organisms.
ISPU calculation uses 7 air pollutant parameters: PM10, PM2.5, NO?, SO?, CO, O?, and HC, monitored across 72 regional stations.
(Read: West Kalimantan Recorded Highest CO? Emissions From Forest Fires Until July 2023)
Per KLHK Regulation No.14/2020: 0-50 = Good air quality, 51-100 = Moderate, 101-200 = Unhealthy (harmful to humans, animals, plants). 201-300 = Very Unhealthy (elevated risk for sensitive groups), >300 = Hazardous (severe health risks requiring immediate action).
Following West Java: 2. North Sumatra 113, 3. Riau 94, meaning West Java air quality falls under Hazardous category.
Full ranking (08.00 WIB May 1 2026): 1. West Java 365, 2. North Sumatra 113, 3. Riau 94, 4. West Sumatra 90, 5. South Sumatra 89, 6. Jambi 83, 7. Aceh 82, 8. Banten 78, 9. DKI Jakarta 77, 10. East Java 71.
(Read: West Kalimantan Recorded Highest CO? Emissions From Forest Fires Until July 2023)
"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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