Batam has the cleanest air quality in Indonesia on February 27, 2026 morning with an ISPU score of 6, followed by Nabire and Malang. All top 10 cities have good air quality per KLHK standards.
South Kalimantan has Indonesia's worst air quality on Feb 27, 2026 morning with ISPU 99 (moderate). Banten and Jambi follow. No regions have hazardous air quality; 10 provinces with worst air quality ...
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