Metropolis of Lyon | Environment. Peripheral: the speed has dropped, and the pollution?

    Metropolis of Lyon | Environment. Peripheral: the speed has dropped, and the pollution?

    A report from the Atmo air quality observatory analyzed the reduction in speed to 70 km / h on the Lyon ring road since April 29, 2019. If nitrogen dioxide pollution has indeed dropped between 2018 and 2019, the causal link is not established. For fine particles PM10, they even increased slightly. Explanations

    By Jean-Philippe CAVAILLEZ –
    06:00 – Reading time:

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