Using mobile phone data to estimate air pollution exposure

phys.org | 6/18/2019 | Staff
Frost123 (Posted by) Level 3
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Air pollution is one of the greatest challenges cities are facing today, and improving air quality is a pressing need to reduce negative health impacts. In order to efficiently evaluate which are the most appropriate policies to reduce the impact of urban pollution sources (such as road traffic), it is essential to conduct rigorous population exposure assessments.

A group of researchers from Universidad Politécnica de Madrid (UPM) in collaboration with other research centers has carried out a diagnosis and analysis of the quality of the air in cities based on population dynamics from mobile phone data. The widespread use of this kind of device allowed the researchers to collect a large amount of geolocation data and thus the real exposure to air pollution throughout the day. The researchers have assessed the mobility patterns of citizens and estimated their real-time exposure to air pollution.

Studies - Population - Exposure - Air - Pollution

Traditionally, studies about population exposure to air pollution use census data. Therefore, these studies assume that the effects of air pollution depend on the quality of air of the city point where each person's home is located.

A study carried out by various members of the research group of Environmental Technologies and Industrial Resources (UPM) has developed an innovative methodology to estimate the real exposure based on a population dynamics developed from mobile phone data (call detail records, CDR). The CDR provides user location information and allowed researchers to build patterns of mobility of millions of users and finally to...
(Excerpt) Read more at: phys.org
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