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We are thrilled to announce that RI-URBANS has been spotlighted in the "13 Success Stories of Green Deal Projects" publication. This recognition highlights our innovative efforts in monitoring and improving air quality in urban areas, contributing significantly to the goals of the European Green Deal. Read the full RI_URBANS Success Story      

A total of 135 participants from 56 organisations attended the mid-term project meeting in both online and onsite formats   Revision of the 1st reporting period, updates of the work packages, and the display of open data and service tools were some of the topics that were covered The 2nd Science Meeting took part in Delft, the Netherlands, on October 18-19th 2023. A total of 63 attendees onsite and 76 attendees online from 56 institutions participated, including EMEP, WMO, WHO, ACTRIS, IAGOS, and ICOS. As this event represented the mid-term project meeting, the following topics were addressed: Outputs of the 1st reporting period (2021 – 2023) Pan-European reports on advanced air quality parameters. Most data compilation has been finished but an update will take place. Open access of compiled data and flow of data towards ACTRIS. Service tools on 3D measurements. Analysis of health outcomes, city mapping, citizen involvement, pollution, and hotspots. First results on emission inventories and modelling. Progress of the 5 RI-URBANS pilots. Support of ACTRIS and RI-URBANS to the implementation of Articles 7 and 10 of the new EU Air Quality Directive, specifically on ultrafine particles in hotspots and advanced air quality parameters in supersites. Progress of upscaling actions. The case study of upscaling for Warsaw, Poland. Left: Jan Peters, Martine Van Poppel, and Jelle Hofman (VITO). Right: Gaëlle Uzu (CNRS/IRD). | Robèrt Kroonen “For this meeting, it was very important to involve air quality policy stakeholders in the interpretations and discussions of the project results, as well as pilots and applications of the Service Tools”, explains Xavier Querol, RI-URBANS coordinator and CSIC researcher. Following the guidelines of the project evaluation process, it was agreed to make the open data and the description of the Service Tools more accessible. The description of these Service Tools is ready and will be reviewed by the WP leaders in the upcoming month. "Some Service Tools are ready to be delivered. However, there are some others that will require further research to be harmonised, so it is very likely this will happen after the project lifetime. One of our goals now is to discuss how to do it", explained Tuukka Petäjä, RI-URBANS coordinator and researcher at the Univesity of Helsinki. A co-design process of the Service Tools between RI-URBANS and stakeholders will also be implemented to ensure the effective delivery of these tools to the end-users. Finally, the project's progress will be displayed as a graphic roadmap on the website to make it more accessible. In the discussion, it was also reaffirmed the need to intensify interactions with ICOS-Urban, IAGOS, and other Green Deal projects. Left: Professor Roy Harrison (UB) and the RI-URBANS coordinator, Tuukka Petäjä (UHEL). Right: Wenche Aas (NILU). | Robèrt Kroonen The summary of the meeting can be read in the corresponding Milestone 43 (M7.8): CHECK OUT MILESTONE 43 (M7.8)  

A total of 152 participants from 69 institutions attended the workshop to discuss the implementation of supersites for the new EU Air Quality Directive   Key points were reached regarding the need for synergy and harmonisation of advanced air quality parameters On June 19th, 2023, the 3rd RI-URBANS Stakeholder Meeting was celebrated as an AQUILA-ACTRIS/RI-URBANS-EMEP Information Day for national air quality experts to discuss the implementation of supersites in the proposal for the new Air Quality Directive. Among the 152 attendees, there were representatives of DG ENV, WHO, WMO, ACTRIS, EMEP, AQUILA, RI-URBANS (from 20/26 partners); air quality national experts from 23 countries, regions, and cities; 7 RI-URBANS associated collaborators, and 12 national research centres and private companies. The draft for a new EU Air Quality Directive mentions that ACTRIS (Aerosol, Clouds and Trace Gases Research Infrastructure) and EMEP (European Monitoring and Evaluation Programme) have major roles in the implementation of Article 10 on supersite measurements. Furthermore, AQUILA is the network of National Air Quality Reference Laboratories, and it will have a major role there. “One of the objective of this workshop was to inform the national air quality experts on the capabilities of ACTRIS, EMEP and AQUILA”, declared Xavier Querol, co-coordinator of RI-URBANS and CSIC researcher. The other main objective was to discuss the recommendations sent to DG ENV by ACTRIS/RI-URBANS for the measurement of advanced air quality parameters. The key points reached during the meeting are as follows: Promote synergy, harmonisation, and identifying additional resources. Although challenging, synergy among Air Quality Monitoring Networks (AQMNs) and Research Infrastructures (RIs) is needed to use the available resources and combine the scientific support and instrumentation already existing with the AQMNs’ expertise. Harmonisation should be implemented for ultrafine particle - Particle Number Size Distribution (UFP-PNSD), black carbon, and also oxidative potential. To clarify in the Air Quality Directive the objectives of each advanced air quality parameter included in Art 10.   The summary of the meeting can be read in the corresponding Milestone 42 (M7.7): CHECK OUT MILESTONE 42 (M7.7)   The presentations from the 3rd Stakeholder Meeting are freely accessible: DOWNLOAD THE PRESENTATIONS

A total of 37 participants from 23 institutions gathered to inform about the ongoing work The RI-URBANS Polish Stakeholder Meeting took place in a hybrid format on 23rd February 2023 at the Institute of Geophysics, Faculty of Physics, University of Warsaw. The Polish stakeholders represented 23 institutions, including 16 institutions with representatives in person (20 persons) and 9 institutions online (11 persons). In addition to Polish stakeholders, in this meeting also 6 representatives of the RI-URBANS and the ATMO-ACCESS projects have participated (online) and 1 in person. “This meeting arises from the need for collaborative and complementary work between the key players in relation to RI-URBANS’ goals in a consolidated way”, declared Iwona Stachlewska, co-leader of Task 5.4 in WP5 of RI-URBANS. The summary of the Stakeholder Meeting can be read in the corresponding Milestone 35 (M5.7): CHECK OUT MILESTONE 35 (M5.7)   The presentations from the Stakeholder Meeting are freely accessible: DOWNLOAD THE PRESENTATIONS

Both projects have provided feedback on the proposal for reviewing the EC Air Quality Directive published on 26th October 2022 The recommendations include seeking more synergies and interoperability between existing infrastructures, maintaining the list of non-regulated pollutants, and defining operating procedures and protocols for the new pollutants As part of the European Green Deal, the EU is revising the air pollution standards to align them more closely with the recommendations of the World Health Organization. In the Commission adoption, both RI-URBANS and ACTRIS have sent a document with recommendations for the proposal review of the EC Air Quality (AQ) Directive. All feedback received will be summarised by the European Commission and presented to the European Parliament and Council with the aim of feeding into the legislative debate. RI-URBANS and ACTRIS recognise that there is a willingness to extend the AQ directive to currently non-regulated pollutants, which may be very relevant for the future development of AQ regulations, the evaluation of the impacts of air pollution on health, the better evaluation of the effects of AQ policies, and ultimately to the well-being of European citizens. Specifically, RI-URBANS and ACTRIS value positively that: UFP, PNSD, BC, OP, NH3 and PM speciation have been included, as well as the listed PAHs and an extended list of VOCs, in addition to other regulated pollutants; a network of European super-sites is proposed to be created with similar objectives to the one established, with extremely good results, in the US by the US-EPA, to support environmental and scientific policy studies; this is a timely proposal given the currently ongoing developments within ACTRIS and RI- URBANS to demonstrate the added value of observing the non-regulated pollutants for AQ management and the development and testing of innovative tools for AQ monitoring in relation to human health   The feedback provided by RI-URBANS and ACTRIS is summarised in the following points: Recommendation #1: It is fundamental to seek synergies with the existing infrastructure in place and ACTRIS in particular. Recommendation #2: Maintain the provisional list of non-regulated pollutants in the new directive and add the provision of information on the aerosol vertical profile to be monitored at supersites. Recommendation #3: Capitalise, whenever possible, from the measurement metrology outcome from past and current projects, in particular from ACTRIS-1, ACTRIS-2, and RI-URBANS in order to ensure implementation of the most suited operating procedures and interoperability between observations performed by all networks in Europe and beyond. Recommendation #4: Advance with the scientific community to define the standard operating procedures for the new pollutants and rely on the already established ACTRIS Topical Centers whenever relevant. Recommendation #5: Propose measurement protocols for VOCs species capitalising on the scientific and technical experience of CEN WG13, AQUILA, and ACTRIS. Recommendation #6: Ensure a high level of interoperability between the data value chain for responding to AQ and Climate policies. Some of these issues could be resolved with a greater interrelationship between DG. Environment and DG. Research. Recommendation #7: Based on the [...]

The objective is to harmonise the measurements of most health-relevant oxidative potential protocols and evaluate their potential to assess the toxicological effects of PM10 and PM2.5 A total of 18 groups from Europe, the USA, and Canada participate in the evaluation RI-URBANS has launched the intercomparison of protocols for most health-relevant oxidative potential assays among various research groups to harmonise its measurements. The objective is to evaluate if oxidative potential can be an additional metric to assess the potential toxicological effects of PM10 and PM2.5, in relation to particulate matter components and their source contributions. "It’s a first harmonization step needed to properly assess the relevance of oxidative potential to human health", explains french researcher Gaëlle Uzu, leader of the task (CNRS/IRD).  The CNRS/IRD research team has carried out the intercomparison protocol. From left to right: Rhabira El Azzouzi (engineer), Pamela Dominutti (post-doc RI-URBANS), Camille Rak (assistant engineer), Takoua Madhbi (engineer), Gaëlle Uzu (research director). Source: Gaëlle Uzu.   Mass is not an unequivocal metric for the health impact of particulate matter and additional parameters are needed to describe associated toxicity. One key parameter that drives particulate matter toxicity is its capacity to carry or induce reactive oxygen species (ROS) in the lung, disrupting its natural redox balance and causing inflammatory effects. The oxidative potential of aerosols can be defined as the capacity of particulate matter for generating reactive oxygen species in vivo. There are several available methodologies of oxidative potential (dithiothreitol, ascorbic acid, glutathione, among others), but they do not always correlate well with each other, as they are driven by different oxidizing species, as are our different lung anti-oxidant categories. In this protocol, the measurements will be intercompared for the most common oxidative potential assay. To accomplish this task, Gaëlle Uzu’s team, from the French National Research Institute for Sustainable Development (CNRS/IRD), has sent the samples and reactants to the participating groups today. From the data of receipt, the results can be sent back within one month to avoid ageing processes. The intercomparison of oxidative potential relies on: Simplified oxidative potential dithiothreitol protocol for everyone + all home protocols allowed A total of 4 samples will be tested in triplicate (reference compounds and atmospheric particulate matter) 18 research groups are participating: 13 groups are from the EU region (Czech Republic, France, Germany, Greece, Italy, Netherlands, Serbia, Sweden, Switzerland, and the UK); 3 from the USA; and 2 from Canada Anonymous and authoritative data treatment will be done by the Joint Research Center (JRC) in the spring, and it is estimated that results will be released in September 2023. The technician Camille Rak performing homogenisation tests to check the stability of the samples before shipment. Source: Gaëlle Uzu

RI-URBANS Service Tools provide near real-time information on submicron organic aerosols and black carbon source apportionment  The demonstration will be tested in the pilot cities of the project during 2023 RI-URBANS has published a report describing the establishment of near-real time source apportionment Service Tools for submicron organic aerosols and black carbon. The work has been carried out by researchers from INERIS, together with CNRS-LSCE, AERIS-Icare, and Datalystica, as part of Task 1.2 of the project: development and implementation of advanced source apportionment Service Tools. Carbonaceous particles, including organic aerosols and black carbon, represent a substantial part (typically, in the range of 40-80%) of fine particulate matter in urban environments. Dataflow to be used in RI-URBANS for Black Carbon and Organic Aerosol near-real time source apportionment. Source: INERIS & co-workers At ACTRIS national facilities, their in-situ high-time resolution monitoring is usually conducted using aerosol chemical speciation monitors (ACSM) and multi-wavelength aethalometer (AE33), for organic aerosols and black carbon respectively. In the last decades, research activities allowed to development of novel methodologies to identify and quantify the main sources of carbonaceous aerosols measured using these two types of instruments. “Our task within RI-URBANS was to implement these methodologies at a centralised server to demonstrate their ability to be operated in near-real time and gain knowledge on the sources”, explains Olivier Favez, researcher at INERIS and first author of the report. RI-URBANS researchers evaluated and applied the most suited source apportionment receptor models for operational applications, considering previous work in FAIRMODE, EMEP, and COLOSSAL. The document provides pilot functionalities, with operational requirements of the source apportionment software and data transfer/formatting Service Tools for the novel near real-time source apportionment of non-refractory aerosols and black carbon measurements data products, for modelling Service Tools (within the RI-URBANS Work Package 3), pilot applications (Work Package 4) and upscaling activities (Work Package 5). These Service Tools can be found in the corresponding Deliverable D4 (D1.4): CHECK OUT THE SERVICE TOOLS   Image reference: Quantum Ai (https://quantumaitrading.net/)  

RI-URBANS leads the session 'Research Infrastructures Services Reinforcing Air Quality Monitoring Capacities in the European Urban & Industrial Areas' within the EGU General Assembly on 23-28 April 2023.  The call for abstracts for the session is now open until 10 January 2023.  Taking place on 23-28 April, the European General Union (EGU) General Assembly 2023 will bring together geoscientists from all over the world for a hybrid meeting covering all disciplines in the Earth, planetary, and space sciences. The RI-URBANS members Tuukka Petäjä, Xavier Querol, and Marjan Savadkoohi will act as conveners of the session: AS5.17 Research Infrastructures Services Reinforcing Air Quality Monitoring Capacities in European Urban & Industrial AreaS (RI-URBANS). This session provides an overview of RI-URBANS that develops Service Tools from atmospheric Research Infrastructures data that can address the challenges and societal needs concerning air quality in European cities and industrial hotspots. Here we will showcase synergies between Air Quality Monitoring Networks and Resarch Infrastructures in the atmospheric domain and combine advanced science knowledge and innovative technologies. A specific focus is placed upon ambient nanoparticles and atmospheric particulate matter, their sizes, constituents, source contributions and gaseous precursors. We will provide novel insights into novel air quality parameters, source contributions, and their associated health effects to demonstrate the European added value of implementing the new service tools. The results builds on existing initiatives for advanced research-driven air quality observations at supersites from European cities with five implemented pilots in 9 cities. The RI-URBANS complies with FAIR (Findable, Accessible, Interoperable, Re-usable) data sharing principles. We explore upscaling and sustainability to the new air quality observations via interoperable services, using advanced instrumentation, modelling, source apportionment, integrated citizens observatories and mobile measurements. The call of abstract for this session is now open until 10 January 2023, 13:00 CET. Abstract submission   When submitting the abstract, look for AS - Atmospheric Sciences and the code of the session is AS5.17 EDI Research Infrastructures Services Reinforcing Air Quality Monitoring Capacities in European Urban & Industrial AreaS (RI-URBANS).                

A total of 150 participants from 63 institutions gathers to inform about the ongoing work The project has achieved several milestones in data collection, pilot studies, and cooperation with other European research infrastructures RI-URBANS participants met last week in the 1st Science Meeting of the project in Barcelona. A total of 84 onsite and 66 online participants from 63 institutions attended the meeting, together with representatives from the World Health Organization, European Commission, and other European research infrastructures. “RI-URBANS is progressing well. The project is now obtaining results of great interest, especially in the compilation of data on ultrafine particles, black carbon, and chemical combustion of aerosols”, declares Xavier Querol, coordinator of the project and CSIC researcher.   RI-URBANS coordinators Tuukka Petäja and Xavier Querol, explaining the RI-URBANS project report. Source: Alicia Arroyo (CSIC)   During its first year, RI-URBANS has reached several milestones that were highlighted during the meeting: Compilation of existing urban datasets on advanced air pollutants, such as ultrafine particles-PNSD, BC, online and offline PM speciation, NH3, and VOCs. Interpretation of these datasets to show that the application for air quality management started and it is very advanced for ultrafine particles and BC (close to submitting results for publication). Publication of the most updated European inventory of anthropogenic emissions that include ultrafine particles and non-exhaust vehicle particulate matter emissions (link). All city pilots are designed and most of them are already operating (link). Others will start in 2023, as planned. Several cities, such as Budapest, Marseille, Mülheim, Langen, Dresden, Leipzig, Lille, and London, which are not officially part of the project, are providing data to RI-URBANS Strategies to submit data of the advanced air quality datasets to ACTRIS-EBAS are devised and ready to be implemented. “We have also obtained very relevant results in terms of regional and urban scale modeling of advanced air quality parameters”, declares Tuukka Petäjä, RI-URBANS coordinator and researcher at the University of Helsinki. From left to right: Spyros Pandis (FORTH), Xavier Querol (CSIC) and Román Pérez Velasco (WHO); Tuukka Petäjä (UHEL) and Mar Viana (CSIC); Matine van Poppel (VITO), Stephan de Roode (Delft University of Technology) and Arnoud Apituley (KNMI). Source: Alicia Arroyo (CSIC) The project is directly connected with ACTRIS (Aerosol, Clouds and Trace Gases Research Infrastructure) and ICOS (Integrated Carbon Observation System) in terms of the use of service tools, networking supersites, and data management, and a fluent dialogue is stablished with them. Several challenges were also put forward during the meeting. One of them is achieving that air quality monitoring networks apply the service tools developed in RI-URBANS, most of them coming from ACTRIS. Another challenge is to make the data flow smoothly from all air quality stations toward ACTRIS. RI-URBANS already compiled advanced measurements from many stations, but there are some left behind. Efforts should be made to make these harmonised and data public in ACTRIS-EBAS. From left to right: Paolo Laj (ACTRIS) and Augustin Colette (INERIS). Source: Alicia Arroyo (CSIC) [...]

RI-URBANS publishes a methodology that summarizes complementary approaches to air quality monitoring systems in order to assess air quality for health and epidemiological studies It includes data collection methods for high-resolution exposure mapping, with and without citizen participation Air quality is measured routinely through fixed air quality monitoring stations. These stations include high-quality monitors that fulfill the data quality requirements as set in the European Air Quality Directive (2008/50/EC). Whereas a network of these fixed stations gives information on temporal trends of air quality, the network's density is insufficient to give information on air quality at the street level. Some pollutants, especially traffic-related ones (e.g. ultrafine particles, black carbon, nitrogen oxides), can show a very high spatial and temporal variability within a city or neighbourhood. Improved spatiotemporal resolution of air quality data is critical for an improved understanding of the connection between air quality parameters, human exposure, and consequent health effects. Difference between mobile and fixed air quality measurements in terms of monitoring setup and device requirements. Source: Martine van Popple (VITO) The methodology published by RI-URBANS summarizes complementary approaches to traditional air quality monitoring systems in order to assess air quality exposure for health and epidemiological studies, and to assess policy actions at the urban scale. It also includes involving citizens and mechanisms to enroll citizens that can be readily upscaled at European levels. The methodology can be found in the corresponding Deliverable D13 (D2.5): CHECK OUT THE METHODOLOGY