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Title
Correlation of air quality data to ultrafine particles (UFP) concentration and size distribution in ambient air
AuthorKwasny, Felicitas ; Madl, Pierre ; Hofmann, Werner
Published in
Atmosphere, Basel, 2010, Vol. 1, Issue 1, page 3-14
PublishedMDPI, 2010
LanguageEnglish
Document typeJournal Article
Keywords (EN)ultrafine particles / air quality monitoring / urban aerosols / particle number concentration / particle size distribution
ISSN2073-4433
URNurn:nbn:at:at-ubs:3-5824 Persistent Identifier (URN)
DOI10.3390/atmos1010003 
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 The work is publicly available
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Correlation of air quality data to ultrafine particles (UFP) concentration and size distribution in ambient air [0.51 mb]
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Abstract (English)

This study monitored ultrafine particles (UFP) concurrent with environmental air quality data, investigating whether already existing instrumentation used by environmental authorities can provide reference values for estimating UFP concentrations. Of particular interest was the relation of UFP to PM10 (particulate matter) and nitrogen oxides (NOx, NO2) in ambient air. Existing PM measurement methods alone did not correspond exactly enough with the actual particle number, but we observed a link between NOx and NO2 to UFP concentration. The combined data could act as proxy-indicator for authorities in estimating particle number concentrations, but cannot replace UFP monitoring.

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