North Sumatra Air Quality Worst in Indonesia on Wednesday Morning (1/7)
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North Sumatra recorded the worst air quality in Indonesia this morning. As per Indonesia's Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) dashboard at 08:00 WIB on Wednesday (1/7/2026), North Sumatra posted an air quality index score of 116.
Per KLHK Air Pollution Control Directorate, ISPU is a unitless metric describing ambient air quality at a location, graded by impacts on human health, aesthetics, and other living organisms. It is calculated from 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, HC, measured across 72 monitoring stations nationwide.
Under Environment Minister Regulation No.14/2020: 0-50 = Good; 51-100 = Moderate; 101-200 = Unhealthy (adverse effects for humans, animals, plants); 201-300 = Very Unhealthy (elevated risk for sensitive groups); >300 = Hazardous (requires emergency response).
Following North Sumatra: DKI Jakarta ranked 2nd (110), Banten 3rd (107). No locations were in the Hazardous category. Full top 10 worst provincial air quality rankings are 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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