On August 4, 2026, a yellow phosphorus leak and subsequent fire occurred at Yunnan Haoming Fine Phosphorus Chemical Co., Ltd. in Erjie Town, Jinning District, Kunming, Yunnan Province, producing a wide spread of irritating white fog that drifted tens of kilometers away, with nearby residents experiencing stinging eyes and coughing.
Evidence EVIDENCE
Sources 4 · Archived 0
SourceTypeReliabilityLink
李老师不是你老师TG
2026-10-04 02:51 · 🎬🖼 8月4日，云南昆明。晋宁一化工厂发生黄磷泄漏，
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李老师不是你老师TG
2026-10-04 02:52 · 🖼 云南晋宁黄磷厂发生火情，官方承认五氧化二磷浓度升高
First-hand
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星岛：昆明化工厂泄黄磷漫天刺鼻白雾 官方指情况可控
2026-10-06 17:54 · 云南昆明晋宁有化工厂4日下午泄漏黄磷，接触空气后自燃形成刺鼻具腐蚀性白雾，有居民指咽喉不适和咳嗽。
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光明网：昆明晋宁区通报浩明精细磷化工公司火情
2026-10-06 17:54 · 2026年8月4日11时50分许，晋宁区二街镇云南浩明精细磷化工有限公司厂内，在黄磷装卸过程中发生火情事故。
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Context CONTEXT
Cause
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This event
Yellow Phosphorus Leak and Fire at Haoming Chemical Plant in Jinning, Kunming Blanket the Sky in White Fog, Causing Discomfort to Residents
2026.08.04 · Reported
Effect
Not recorded yet