Particle lung deposited surface area (LDSAal) size distributions in different urban environments and geographical regions: Towards understanding of the PM2.5 dose–response

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Particle lung deposited surface area (LDSAal) size distributions in different urban environments and geographical regions : Towards understanding of the PM2.5 dose–response

Lepistö, Teemu (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Lintusaari, Henna (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Oudin, Anna (författare): Umeå University,Lund University,Lunds universitet,Umeå universitet,Avdelningen för hållbar hälsa,Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden,Avdelningen för arbets- och miljömedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,CIRCLE,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Planetär hälsa,Forskargrupper vid Lunds universitet,LTH profilområde: Aerosoler,LTH profilområden,Division of Occupational and Environmental Medicine, Lund University,Department of Laboratory Medicine,Faculty of Medicine,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH,Planetary Health,Lund University Research Groups,LTH Profile Area: Aerosols,LTH Profile areas,Faculty of Engineering, LTH

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Barreira, Luis M.F. (författare): Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland

Niemi, Jarkko V. (författare): Helsinki Region Environmental Services Authority HSY, Helsinki, Finland

Karjalainen, Panu (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Salo, Laura (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Silvonen, Ville (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Markkula, Lassi (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Hoivala, Jussi (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Marjanen, Petteri (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Martikainen, Sampsa (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Aurela, Minna (författare): Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland

Reyes, Felipe Reyes (författare): Centro Mario Molina Chile, Santiago, Chile

Oyola, Pedro (författare): Centro Mario Molina Chile, Santiago, Chile

Kuuluvainen, Heino (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

Manninen, Hanna E. (författare): Helsinki Region Environmental Services Authority HSY, Helsinki, Finland

Schins, Roel P.F. (författare): IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany

Vojtisek-Lom, Michal (författare): Centre of Vehicles for Sustainable Mobility, Faculty of Mechanical Engineering, Czech Technical University in Prague, Prague, Czech Republic

Ondracek, Jakub (författare): Laboratory of Aerosol Chemistry and Physics, ICPF CAS, Prague, Czech Republic,Academy of Sciences of the Czech Republic

Topinka, Jan (författare): Department of Genetic Toxicology and Epigenetics, Institute of Experimental Medicine AS CR, Prague, Czech Republic,Institute of Experimental Medicine, Czech Academy of Science

Timonen, Hilkka (författare): Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland

Jalava, Pasi (författare): Inhalation Toxicology Laboratory, Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland

Saarikoski, Sanna (författare): Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland

Rönkkö, Topi (författare): Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland

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Elsevier, 2023
2023
Engelska.
Ingår i: Environment International. - : Elsevier. - 0160-4120 .- 1873-6750. ; 180

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Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

Stäng

Recent studies indicate that monitoring only fine particulate matter (PM2.5) may not be enough to understand and tackle the health risk caused by particulate pollution. Health effects per unit PM2.5 seem to increase in countries with low PM2.5, but also near local pollution sources (e.g., traffic) within cities. The aim of this study is to understand the differences in the characteristics of lung-depositing particles in different geographical regions and urban environments. Particle lung deposited surface area (LDSAal) concentrations and size distributions, along with PM2.5, were compared with ambient measurement data from Finland, Germany, Czechia, Chile, and India, covering traffic sites, residential areas, airports, shipping, and industrial sites. In Finland (low PM2.5), LDSAal size distributions depended significantly on the urban environment and were mainly attributable to ultrafine particles (<100 nm). In Central Europe (moderate PM2.5), LDSAal was also dependent on the urban environment, but furthermore heavily influenced by the regional aerosol. In Chile and India (high PM2.5), LDSAal was mostly contributed by the regional aerosol despite that the measurements were done at busy traffic sites. The results indicate that the characteristics of lung-depositing particles vary significantly both within cities and between geographical regions. In addition, ratio between LDSAal and PM2.5 depended notably on the environment and the country, suggesting that LDSAal exposure per unit PM2.5 may be multiple times higher in areas having low PM2.5 compared to areas with continuously high PM2.5. These findings may partly explain why PM2.5 seems more toxic near local pollution sources and in areas with low PM2.5. Furthermore, performance of a typical sensor based LDSAal measurement is discussed and a new LDSAal2.5 notation indicating deposition region and particle size range is introduced. Overall, the study emphasizes the need for country-specific emission mitigation strategies, and the potential of LDSAal concentration as a health-relevant pollution metric.

Ämnesord

NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)

Nyckelord

Exposure
Human respiratory tract
Particulate matter
Regional aerosol
Ultrafine particles
Urban air quality
Exposure
Human respiratory tract
Particulate matter
Regional aerosol
Ultrafine particles
Urban air quality

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