Air Quality experiments on alternative sensors and prediction model











Air Quality monitoring has existed since the 70's, and surprisingly, the equipement used nowdays is still based on the same technology as in the 70's, i.e Beta Attenation Monitors (aka BAM). Almost 50 years later, in 2014, the progress in technology is now allowing us to use new solutions to monitor the Air Quality, with a quality as good as the BAM monitors, but at a much more affordable cost.

The World Air Quality Index project team is involved in understanding, assessing and verifying those new technologies, and this to ensure that they can realiably replace the more traditional BAM-based setups. In this page, you wil find the list of on-going, planned and concluded experiements.


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On-going experiments

  • The Dylos Air Particule counter: Can it be used as a substitue of more expensive BAM monitors? A one-year long experiments on trying to correlate Dylos and BAM data in Beijing.
  • Low-cost shinyei and samyoung Sensors: Low cost sensors are used in many of the 'Air Sensor Toys' appearing on Internet. But, can those ultra low-cost sensor provide any good information on air quality? Can any reliable AQI be deducted?

Concluded experiments

  • Haier Air Box: A reverse engineering of the Haier AirBox air quality sensor for the smart home.

Planned experiments

  • The GFS Wind forecast: Is it really accurate? How do actual and predicted data differ?
  • Predicting Air Quality: using the GFS wind forecast to predict Air Pollution flux

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If you too, you are an Air Quality enthusiast and are interested in joining the experiments, you can contact us or just simply use the discussion board below to propose new experiments, or enhancement to existing experiements.

And if you are an organization or department with official Air Quality data that you would like to publish on aqicn.org, please refer to our publishing data guide.

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关于空气质量与空气污染指数

本网站采用的污染指数和颜色与EPA是完全相同的。 EPA的指数可以从 AirNow上查到

空气质量指数 空气质量指数级别(状况)及表示颜色 对健康影响情况 建议采取的措施
0 - 50 一级(优) 空气质量令人满意,基本无空气污染 各类人群可正常活动
51 -100 二级(良) 空气质量可接受,但某些污染物可能对极少数异常敏感人群健康有较弱影响 极少数异常敏感人群应减少户外活动
101-150 三级(轻度污染) 易感人群症状有轻度加剧,健康人群出现刺激症状 儿童、老年人及心脏病、呼吸系统疾病患者应减少长时间、高强度的户外锻炼
151-200 四级(中度污染) 进一步加剧易感人群症状,可能对健康人群心脏、呼吸系统有影响 儿童、老年人及心脏病、呼吸系统疾病患者避免长时间、高强度的户外锻炼,一般人群适量减少户外运动
201-300 五级(重度污染) 心脏病和肺病患者症状显著加剧,运动耐受力降低,健康人群普遍出现症状 儿童、老年人及心脏病、肺病患者应停留在室内,停止户外运动,一般人群减少户外运动
300+ 六级(严重污染) 健康人群运动耐受力降低,有明显强烈症状,提前出现某些疾病 儿童、老年人和病人应停留在室内,避免体力消耗,一般人群避免户外活动
(参考详见 http://zh.wikipedia.org/wiki/空气质量指数)

如果你想了解更多有关空气质量与污染,详见维基百科或者 AirNow

有关健康建议详见北京的Richard Saint Cyr MD医生的博客:www.myhealthbeijing.com


注意事项: 所有空气质量数据在发布时均未经验证,并且为了保证数据质量,这些数据可能随时被修改,恕不另行通知。 世界空气质量指数项目在编制此信息的内容时已经运用了所有合理的技能和谨慎,在任何情况下世界空气质量指数项目团队或其代理人将不会为由于提供此数据而直接或间接引起的伤害、合同损失、侵权及其他任何损失负责。



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