Abstract
The atmospheric pollution is a growing public health problem. The highly urbanized regions such as Paris area seem particularly exposed. However, the overall health impact is poorly documented. To investigate the influence of air quality degradation on the demand for primary care. Site: medical dispatching center SAMU 93-Center 15. Related population: 1.6 million inhabitants. daily number of medical regulation records (DRM) and daily air quality index (AQI) using the Airparif® database from January 2014 to February 2017. The AQI is classified into five levels. Level 4 corresponds to the threshold of information and recommendations to reduce certain sources of polluting emissions and level 5 to the alert threshold setting up measures of restriction or suspension of the activities contributing to the pollution including vehicles circulation. The analysis covered 1134 consecutive days and a total of 639,576 DRM. Average daily DRM number: 564 (507-643). IQA≥4 for 56 (5%) days and≥5 for 4 (0.4%) days. The number of DRM was very closely correlated with the IQA (R2=0.91); the daily median varied from 502 (494-621) for an IQA of level 1 to 650 (540-704) for an IQA≥4. Degradation of air quality was significantly correlated with demand for primary care. The environmental alert is also a health alert. The impact was major (DRM +30%) considering all pathologies, all the pollutants on a departmental scale.
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