Correlation of Air Quality Data to Ultrafine Particles (UFP) Concentration and Size Distribution in Ambient Air

Atmosphere

Felicitas Kwasny¹  Pierre Madl² 

[1] Division of Physics and Biophysics, Department of Materials Engineering and Physics, University of Salzburg, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria;

关键词: ultrafine particles;    air quality monitoring;    urban aerosols;    particle number concentration;    particle size distribution;   

DOI  :  10.3390/atmos1010003

来源: mdpi

【 摘 要 】

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 (NO_X, 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 NO_x 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.

【 授权许可】

CC BY   
© 2010 by the authors; licensee MDPI, Basel, Switzerland.