The second presentation of the standard UNE 77270:2023 - Collaborative Odour Maps Construction through Citizen Science, published in October, was held on November 6th at Lleialtat Santsenca in Barcelona, was a resounding success. The event marked a historic moment as the first standard worldwide to incorporate citizen science as a methodological approach for monitoring odour impact was officially launched. Experts and community members who contributed to the development of this innovative standard gathered to celebrate this achievement. This event was recorded and can be watched here (provided you know a bit of Spanish)

   The audience at the event, consisting of both experts and the general public, witnessed the culmination of four years of dedicated work by the group behind the standard's development. The successful launch highlights the increasing recognition of citizen science as a valuable tool in environmental monitoring and governance. The incorporation of public participation in assessing odour pollution is a noteworthy step forward in fostering a collaborative and inclusive approach to addressing environmental challenges.

   Finally, after years of work, we are pleased to inform you that the proposed Spanish standard PNE 77270 "CONSTRUCTION OF COLLABORATIVE ODOUR MAPS THROUGH CITIZEN SCIENCE" will be open for public information from May 17th to June 25th.

   On 16 May 2023, the Spanish Official Journal (BOE in Spanish) published the draft UNE standards that the Spanish Association for Standardisation has in process, corresponding to the month of April 2023, among which is the text proposed by the group that has been working for several years on the standardisation of the use of citizen science for odour mapping.

    This work aims to describe the Italian pilot study carried out within the frame of the H2020 D-NOSES project and discuss the opportunity to integrate different approaches in order to deal with complex situations. The pilot study was carried out in the municipal area between Castellanza, Marnate, and Olgiate Olona, where an odour problem has been lamented for years.

    As a first step of the project, 4 industries were identified as potential odour sources: a chemical plant, the municipal WWTP, a textile and dyeing industry, and the WWTP connected to the dyeing industry. In order to monitor the odour problem, it was proposed to combine the application of the D-NOSES methodology with the “traditional” way involving olfactometric measurements and dispersion modelling, the latter being the approach foreseen by the Regional guideline. The comparison of the citizens’ observations and the model outcomes allowed to verify the compatibility of the odour observations with the emissions from the two WWTPs.

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