Paris air quality monitoring for the 2024 Olympics and Paralympics: focus on air pollutants and pollen. - Université de Lille
Article Dans Une Revue Br J Sports Med Année : 2024

Paris air quality monitoring for the 2024 Olympics and Paralympics: focus on air pollutants and pollen.

Résumé

Background Exposure to air pollution can affect the health of individuals with respiratory disease, but may also impede the health and performance of athletes. This is potentially relevant for people travelling to and competing in the Olympic and Paralympic Games (OPG) in Paris. We describe anticipated air quality in Paris based on historical monitoring data and describe the impact of the process on the development of monitoring strategies for future international sporting events. Methods Air pollutant data for July to September 2020–2023 and pollen data for 2015–2022 were provided by Airparif (particulate matter (PM2.5), nitrogen dioxide (NO2) and ozone (O3)) and RNSA stations in the Paris region. Airparif’s street-level numerical modelling provided spatial data for the OPG venues. Results The maximum daily mean PM2.5 was 11±6 µg/m3 at traffic stations, below the WHO recommended daily air quality threshold (AQT). Daily NO2 concentrations ranged from 5±3 µg/m3 in rural areas to 17±14 µgm3 in urban areas. Near traffic stations, this rose to 40±24 µg/m3 exceeding the WHO AQT. Both peaked around 06:00 and 20:00 UTC (coordinated universal time). The ambient O3 level exceeded the AQT on 20 days per month and peaked at 14:00 UTC. The main allergenic taxa from June to September was Poaceae (ie, grass pollen variety). Conclusion Air pollutant levels are expected to be within accepted air quality thresholds at the Paris OPG. However, O3 concentrations may be significantly raised in very hot and clear conditions and grass pollen levels will be high, prompting a need to consider and manage this risk in susceptible individuals.
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hal-04676202 , version 1 (23-08-2024)

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V. Bougault, R. Valorso, R. Sarda-Esteve, D. Baisnee, Nicolas Visez, et al.. Paris air quality monitoring for the 2024 Olympics and Paralympics: focus on air pollutants and pollen.. Br J Sports Med, 2024, Br J Sports Med, ⟨10.1136/bjsports-2024-108129⟩. ⟨hal-04676202⟩
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