10 Most Polluted Regions in Indonesia This Morning (9/7)
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North Sumatra has the worst air quality in Indonesia this morning. Based on the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page at 08.00 WIB on Thursday (9/7/2026), North Sumatra recorded an air quality index of 142.
According to KLHK Air Pollution Control Directorate, ISPU is a unitless number describing ambient air quality at a location, rated based on impacts on human health, aesthetics, and other living organisms.
ISPU is calculated from measurements of 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, and HC. Pollutant measurements are conducted across 72 monitoring stations nationwide.
(Read: Jakarta Flood Point Distribution (January 23, 2026 07.00 WIB))
Per KLHK Ministerial Regulation No.14/2020: ISPU 0-50 = Good air quality; 51-100 = Moderate; 101-200 = Unhealthy (harmful to humans, animals, plants).
Very Unhealthy (201-300) increases health risks for sensitive groups. Hazardous level (>300) causes severe health harm requiring emergency response.
Following North Sumatra: Banten ranks 2nd with index 110, DKI Jakarta 3rd with 104. No regions were recorded at Hazardous level.
Below is the ranking of 10 provinces with worst air quality in Indonesia at 08.00 WIB, Thursday 9 July 2026:
1. North Sumatra: 142
2. Banten: 110
3. DKI Jakarta: 104
4. South Kalimantan: 99
5. Central Kalimantan: 98
6. Aceh: 96
7. Riau: 93
8. North Sumatra: 92
9. West Sumatra: 86
10. Jambi: 83
(Read: Jakarta Flood Point Distribution (January 23, 2026 07.00 WIB))
"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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