Central Kalimantan Air Quality Worst in Indonesia on Tuesday Morning (1/9)

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Irfan Fadhlurrahman 01/09/2026 09:23 WIB
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10 Regions with Highest Air Pollution Standard Index (ISPU) in Indonesia as of 08:00 WIB September 1, 2026
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Central Kalimantan recorded the worst air quality in Indonesia this morning. According to the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page at 08.00 WIB on Tuesday (1/9/2026), Central Kalimantan air quality index reached 646.

Per KLHK Air Pollution Control Directorate, ISPU is a unitless number describing ambient air quality at a location, measured by impacts on human health, aesthetics, and other living organisms.

ISPU calculations use 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, HC, measured across 72 monitoring stations nationwide.

(Read: Volcanic Eruption Trends in Recent Years)

Under Minister of Environment Regulation No.14/2020: 0-50 = Good; 51-100 = Moderate; 101-200 = Unhealthy (harmful to humans, animals, plants); 201-300 = Very Unhealthy (elevated risk for sensitive groups); >300 = Hazardous (severe health risk, requires immediate action).

Following Central Kalimantan: West Kalimantan (2nd, 360), South Kalimantan (3rd, 332) — all three rated Hazardous.

Ranked worst 10 provinces at 08.00 WIB 01 Sep 2026:

1. Central Kalimantan: 646
2. West Kalimantan: 360
3. South Kalimantan: 332
4. Jambi: 243
5. Riau: 222
6. South Sumatra: 156
7. South Sumatra: 111
8. East Kalimantan: 100
9. DKI Jakarta: 99
10. North Kalimantan: 97

(Read: Volcanic Eruption Trends in Recent Years)

"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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01 September 2026
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