North Sumatra Most Polluted in Indonesia This Morning (19/7)
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North Sumatra recorded the worst air quality in Indonesia this morning. As per the Air Pollution Standard Index (ISPU) data from the Ministry of Environment and Forestry (KLHK) at 08.00 WIB on Sunday (19/7/2026), North Sumatra's air quality index reached 164.
According to KLHK's Air Pollution Control Directorate, ISPU is a unitless value that describes ambient air quality at a location, measured 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: Floods and Landslides in West Sumatra Claimed 200 Lives, Distribution Data Here (4 December 2025))
Per Ministry of Environment 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), >300 = Hazardous (requires emergency response).
Following North Sumatra: Banten ranks 2nd (index 112), Aceh 3rd (98). No locations recorded hazardous air quality. Full ranking of 10 worst provinces is listed.
"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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