Riau Morning Air Pollution (2/5) Worst in Indonesia
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Riau recorded the worst morning air quality in Indonesia. Based on Indonesia's Ministry of Environment and Forestry Air Pollution Standard Index (ISPU) data at 08:00 WIB Saturday (2/5/2026), Riau scored an air quality index value of 96.
Per KLHK Air Pollution Control Directorate, ISPU is a unitless index measuring ambient air condition based on human health impacts, aesthetic value, and ecosystem effects. It is calculated from 7 pollutant parameters measured across 72 monitoring stations nationwide.
Under Regulation No. 14/2020: ISPU 0-50 = Good, 51-100 = Moderate, 101-200 = Unhealthy, 201-300 = Very Unhealthy, >300 = Hazardous. Riau (96), North Sumatra (95), West Java (92) ranked top 3, all within moderate range.
Full ranking for 02 May 2026, 08:00 WIB: 1. Riau (96), 2. North Sumatra (95), 3. West Java (92), 4. West Sumatra (91), 5. Jambi (90), 6. South Sumatra (88), 7. DKI Jakarta (87), 8. Aceh (85), 9. South Sulawesi (79), 10. Central Kalimantan (78). No locations reached hazardous levels.
"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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