Unverified78% confidenceTradeoffTime unknown
负离子技术会产生副产物臭氧，浓度过高反而刺激呼吸道；密闭车内应选标注'臭氧排放≤0.05ppm'或无臭氧负离子的产品
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78%
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Long-term
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Unverified负离子净化技术会产生副产物臭氧，选购时确认臭氧释放量<0.05ppm（符合国标），车内封闭空间臭氧超标反而刺激呼吸道96% similarUnverified不要买纯负离子/臭氧型车载净化器，密闭车内臭氧浓度易超标，对呼吸道有害且无法去除颗粒物86% similarUnverified带静电集尘或负离子功能的净化器会产生臭氧，臭氧本身刺激呼吸道并加重哮喘，过敏人群应选纯HEPA物理过滤、明确标注臭氧释放量为零的机型86% similarUnverified带负离子/臭氧发生功能的机型慎选：臭氧本身是空气污染物，密闭空间释放臭氧可能刺激呼吸道，有呼吸系统疾病者应避开臭氧型净化86% similarUnverified优先选择臭氧产生量＜0.05ppm（符合GB/T 18801标准）的机型，高压电离式极易副产臭氧，长期室内使用可能刺激呼吸道86% similar
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