Tarakan has Indonesia's cleanest air (AQI 19) as of Dec 22, 2025. KLHK data shows 10 cities with minimal pollution, ...
Mount Semeru in East Java erupted again on Dec 22, 2025, its 7th eruption in a week. PVMBG reports Level III (Alert) activity ...
Discover how quality control charts help track product standards, pinpoint issues, and ensure processes meet specifications with this essential tool for quality assurance.
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