New tool to evaluate local air quality

A new computer-based tool has been developed in Sweden to help local authorities evaluate air pollution at street level. It allows the results to be compared easily with EU air quality standards.
   SIMAIR is a user-friendly, Internetbased tool, designed for the road network throughout Sweden. It can assess concentration levels for four pollutants: fine particles (PM10), nitrogen dioxide (NO2), carbon monoxide (CO) and benzene. Local authorities can calculate total pollution levels for local street sites and, within ten seconds, receive a report which compares the simulated concentrations at that location with EU standards. In addition, SIMAIR identifies long range, urban and local (street) contributions to total pollution levels.

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