As of Feb 9, 2026 08.00 WIB, North Sumatra has Indonesia's worst air quality with an ISPU of 103 (unhealthy). South Sumatra and Central Kalimantan follow. No regions have hazardous air quality, with t ...
Nabire Regency has the cleanest air quality in Indonesia as of February 8, 2026 4 PM WIB with an AQI of 6, followed by South Lampung Regency, West Kutai Regency, and Semarang. KLHK classifies AQI into ...
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