West Kalimantan Evening Air Quality (6/9) Ranked Worst in Indonesia
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West Kalimantan recorded the worst evening air quality in Indonesia. Based on Indonesia Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) data on Sunday 6 September 2026 at 18:00 WIB, West Kalimantan scored an air quality index value of 517.
Per KLHK Air Pollution Control Directorate, ISPU is a unitless index describing ambient air quality at a location, measured against impacts on human health, aesthetics, and living organisms.
ISPU calculation uses 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, HC, monitored across 72 nationwide measurement stations.
(Read: Floods & Forest Fires: Most Frequent Disasters in Indonesia Throughout 2025)
Under KLHK Regulation No.14/2020: ISPU 0-50 = Good; 51-100 = Moderate; 101-200 = Unhealthy; 201-300 = Very Unhealthy; >300 = Hazardous requiring immediate response.
Following West Kalimantan: Central Kalimantan (2nd, 481), South Sumatra (3rd, 233). Both West & Central Kalimantan are at Hazardous air quality level.
Full ranking of 10 worst provinces: 1. West Kalimantan 517; 2. Central Kalimantan 481; 3. South Sumatra 233; 4. South Kalimantan 204; 5. Jambi 174; 6. Riau 167; 7. West Sumatra 160; 8. East Kalimantan 131; 9. South Sumatra 115; 10. Banten 108
"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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