North Sumatra Morning Air Pollution (28/7) Worst in Indonesia
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Air quality in North Sumatra this morning is the worst in Indonesia. According to the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page on Tuesday (28/7/2026) at 08:00 WIB, North Sumatra recorded an air quality index value of 119.
Per KLHK Air Pollution Control Directorate, ISPU is a unitless index describing ambient air quality at a location, measured by impacts on human health, aesthetics, and other living organisms.
ISPU calculation uses measurements of 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, and HC, monitored across 72 stations nationwide.
(Read: 12 Million Indonesians Affected by Natural Disasters in 2025)
Under KLHK 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 response.
Following North Sumatra: DKI Jakarta ranks 2nd (107), Riau 3rd (100). No locations reached hazardous levels.
Top 10 worst air quality provinces as of 28 July 2026 08:00 WIB: 1. North Sumatra (119), 2. DKI Jakarta (107), 3. Riau (100), 4. Banten (94), 5. Central Kalimantan (92), 6. West Kalimantan (90), 7. Bengkulu (87), 8. South Sumatra (86), 9. Jambi (81), 10. Aceh (79)
(Read: 12 Million Indonesians Affected by Natural Disasters in 2025)
"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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