10 Most Polluted Regions in Indonesia This Morning (12/7)
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Riau recorded the worst air quality in Indonesia this morning. Based on the Air Pollution Standard Index (ISPU) data from the Ministry of Environment and Forestry (KLHK) as of Sunday, 12 July 2026 at 08.00 WIB, Riau's air quality index stood at 122.
According to KLHK 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 calculations use 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, HC, monitored across 72 stations nationwide.
(Read: 12 Million Indonesians Affected By Natural Disasters In 2025)
Per 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, >300 = Hazardous requiring emergency action.
Following Riau: Banten ranked 2nd (115), East Java 3rd (91). No locations reached hazardous levels. Full ranked list provided.
"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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