随着印度尼西亚森林大火产生的烟霾持续笼罩东南亚，马来西亚民众在社交媒体上发泄不满，一段显示室外空气净化器读数升高的视频成为反映公众沮丧情绪的病毒式传播内容之一。
As haze from forest fires in Indonesia continues to shroud Southeast Asia, Malaysians have taken to social media to air their grievances, with a video of an elevated outdoor reading from an air purifier among viral content marking public frustration.
该视频由用户 syahierarafie 发布，画面显示一台设备在柔佛巴鲁西部、与新加坡接壤的郊区城镇 Gelang Patah（直译：格朗巴当）检测到空气污染指数高达 318。截至周二，该视频播放量已超过 99 万次。
The clip, posted by user syahierarafie, shows a device detecting an Air Pollutant Index of up to 318 in Gelang Patah, a suburban town in western Johor Bahru which borders Singapore. The video has drawn over 990,000 views as of Tuesday.
帖文写道：“今天，我办公室员工在室外做了一个 IPU 实验。IPU 300++ 哇。非常不健康。”文中提到的 IPU 即马来语“Indeks Pencemar Udara”，即空气污染指数（API）。
“Today, my office staff did an IPU experiment outside. IPU 300++ wow. It is very unhealthy,” the post read, referring to API by its Malay name, Indeks Pencemar Udara. Many online users chimed in, with some posting pictures of their own air purifiers registering similar readings of high API levels.
许多网友跟帖回应，有人贴出自家空气净化器显示的类似高 API 读数照片。也有人抱怨马来西亚官方 API 网站公布的读数低于民众实际体感。
Some complained that Malaysia’s official website for API reported a lower reading than what people were experiencing. The API classifies a reading above 300 as “hazardous”, the highest level of the five-level scale.
根据马来西亚环境质量管理系统，API 将 300 以上读数归类为“危险”，为五级分级中的最高等级。201-300 为“非常不健康”，101-200 为“不健康”，51-100 为“中等”，0-50 为“良好”。
Readings of 201-300 are “very unhealthy”, 101-200 “unhealthy”, 51-100 “moderate” and 0-50 “good”, according to the Malaysia Environmental Quality Management System.
据 AccuWeather（直译：艾酷天气）数据，该病毒视频发布当天（周三），Gelang Patah 官方登记的 API 为 121，空气质量处于“不健康”级别。
View on On Wednesday, when the viral video was posted, the API registered in Gelang Patah was 121, putting the air quality in the “unhealthy” category, according to Accuweather.
空气净化器通常利用内置激光传感器，通过检测 PM2.5、PM10 等微小颗粒物穿过时对光线的散射来测量空气质量。数字指代颗粒物直径，单位为微米。
Air purifiers typically measure air quality using a built-in laser sensor to detect the scattering of light by small particles passing through, such as PM2.5 and PM10. The numbers refer to the diameter of the particulate matter, measured in micrometres.
经以图搜图，视频中使用的净化器疑为小米智能空气净化器某款机型。
Based on an image reverse search, the purifier used in the video appears to be a Xiaomi Smart Air Purifier model.
小米称其空气净化器配备激光传感器，可实时检测颗粒物。相比之下，根据《马来西亚医学公报》，API 由六大主要污染物计算得出：PM2.5、PM10、二氧化硫、二氧化氮、一氧化碳和臭氧。
Xiaomi says its air purifiers are equipped with laser sensors to detect particles in real time. In comparison, API is calculated from six major pollutants: PM2.5, PM10, sulphur dioxide, nitrogen dioxide, carbon monoxide and ozone, according to the Malaysian Medical Gazette.
官方系统并非实时测量污染物。相反，每种污染物均按一至24小时的平均周期进行测量。
The official system does not measure pollutants in real time. Instead, each pollutant is measured based on an average period of one to 24 hours.
PM2.5和PM10——此次霾害期间最主要的污染物——按24小时平均值测量。这意味着官方读数可能低于空气净化器或各类商业天气平台显示的数值。
PM2.5 and PM10 – among the most dominant pollutants during the haze – are measured based on a 24-hour average. That means official readings may be lower than what is shown on air purifiers or different commercial weather platforms.
随着印度尼西亚面临十多年来最严重的火灾季，马来西亚和新加坡正经历严重霾害。苏门答腊岛和加里曼丹岛的大火浓烟弥漫整个地区。持续的霾害导致东南亚地区对空气净化器的需求激增。
Malaysia and Singapore are experiencing severe haze as Indonesia grapples with its worst fire season in more than a decade. Blazes across Sumatra and Kalimantan have sent thick smoke across the region. The ongoing haze has spiked demand for air purifiers across Southeast Asia.
区域电子产品零售商Courts向《海峡时报》表示，与去年同期相比，9月28日至10月12日期间空气净化器销量增长了600%。总部位于新加坡的零售商Gain City据该报报道，也出现了“空气净化器需求显著增加”的情况。
Regional electronics retailer Courts told The Straits Times that air purifier sales have increased by 600 per cent from September 28 to October 12 compared to last year. Singapore-based retailer Gain City also reported “a significant increase in air-purifier demand”, according to the newspaper.
马来西亚总理安瓦尔·易卜拉欣周四为政府应对霾害的做法进行了辩护。针对联邦行政中心普特拉贾亚未足够积极推动印尼解决问题的指责，他说：“我们已经尽了一切努力。”
Malaysian Prime Minister Anwar Ibrahim defended the government’s handling of the haze on Thursday. “We have done everything we can,” he said, in response to allegations that Putrajaya had not been proactive enough in pushing Indonesia to resolve the issue.
外交部长莫哈末·哈桑同日表示，为“维护两国密切关系”，马来西亚不会对印尼采取法律行动。南华早报亚洲新闻部
Foreign minister Mohamad Hasan said the same day that Malaysia would not pursue a legal action against Indonesia to “safeguard the close relationship between the two countries”. By SCMP’s Asia desk