Testing Dusseldorf’s air quality – passam on german TV WDR

For the first time there are nitrogen oxide values for a large city in NRW. For one month, WDR using our passive samplers, measured at 160 locations in Düsseldorf – on large streets, in residential areas, in front of schools and in parks.

Markt with the help of passam clarifies where the pollution is greatest and what the measurement results mean for life in the city. Link to the video.