Bath’s illegal levels of NOX from traffic fumes

  40 µg/m3 (EU[1], limit value for human health, annual mean)   Nitrogen dioxide 5 One of the chief pollutants from vehicle emissions is nitric oxide, which through oxidation creates nitrogen dioxide (NO2). It plays a major role in atmospheric reactions that produce ground-level ozone or ‘smog’. This is the main pollutant by […]

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