Particle and Aerosol Research Vol. 10, No. 2, June 2014 |
ISSN : 1738-8716 (Print) ISSN : 2287-8130 (Online) |
On-road Air Pollution Characteristics around a Day-care Center in Urban Area
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Abstracts
Abstract
Five on-road measurements were made using a mobile laboratory (ML) to characterize spatial and temporal air
pollutant distributions over roads around a day-care center in urban area on 30 August 2013. Fixed monitoring was
also done near the day-care center using the ML during the periods between on-road measurements. On-road air
pollution monitoring route was classified into seven sections and three zones to identify severe polluted roads among
many roads having different traffic volumes and directions. Typical pollutants emitted from vehicles such as NOx,
black carbon, particle-bound polycyclic aromatic hydrocarbons, and submicron particles including nanoparticles were
monitored using real-time instruments. Peak concentration episodes were frequently observed during the on-road
measurements and most peaks were simultaneously monitored at four pollutants. Colored on-road air pollution map for
each pollutant provides an insight on spatial air pollution distribution, showing heavily polluted roads and sections.
Average on-road NOx concentration of each run was similar to that monitored at the nearest roadside air monitoring
station.
Keywords£ºOn-road air pollution, Mobile laboratory, Day-care center, Air pollution map
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