CurieuzenAirs measured the air quality in their street for four weeks, from 25 September to 23 October 2021. However, air quality varies over time and will be different in summer than in winter. These differences were taken into account when calculating the CurieuzenAir results. By combining the continuous measurements taken at the stations of Brussels Environment and the European Parliament with the CurieuzenAir measurement tubes, the CurieuzenAir results give a good picture of the average concentration in 2021. The CurieuzenAir results would therefore have been exactly the same if the measurements had been taken in a different season.
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