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Though some authors declare that aerosol number concentration might be a better indicator of health effects of the particulates than the mass method, there is lack of aerosol number investigation studies. Most of air quality studies so far have been based on aerosol mass concentration measurements. Lithuanian National Air Quality Monitoring Network does not carry out aerosol number concentration measurements. Nonetheless, detailed particulate matter mass concentration investigation studies are made periodically in the biggest Lithuanian cities by various scientific organizations. Jonava seems to be overpassed even there. This is the reason for choosing the investigation object. In Jonava town persistent measurements of aerosol number concentration were performed since 21 till 29 of November in the year 2006. The pollutants were measured with an optical particle counter AZ‐5. The fluctuations of 24 hours, diurnal aerosol number concentration were analysed. The weather was favorable for pollutant a...

journal of environmental engineering and landscape management

INVESTIGATION OF AEROSOL NUMBER CONCENTRATION IN JONAVA TOWN/AEROZOLIŲ SKAITINĖS KONCENTRACIJOS TYRIMAI JONAVOJE/ИССЛЕДОВАНИЕ ЧИСЛОВОЙ КОНЦЕНТРАЦИИ АЭРОЗОЛЯ В ГОРОДЕ ЙОНАВЕ