aethalometer Articles

  • Reducing the threat of carbon soot – Case Study

    The U.S. government now recognizes that black carbon soot is the number two cause of climate change and the most important component of air pollution affecting our public health. This soot, caused mainly by the burning of fossil fuels and firewood, is often found in huge smog-like plumes known as "atmospheric brown clouds." According to a report commissioned by the U.N. Environment Program, this ...


    By Sierra Instruments, Inc.

  • Large contribution of water-insoluble secondary organic aerosols in the region of Paris (France) during wintertime

    Near real-time measurements of carbonaceous aerosols were performed in fine aerosols for a 10-day period during winter at a suburban site of Paris (France). These measurements were performed using an OCEC Sunset Field instrument for elemental carbon (EC) and organic carbon (OC) ; a Particle-Into-Liquid- ampler coupled with a Total Organic Carbon (PILS-TOC) instrument for water-soluble OC ...


    By Chromatotec Group

  • Solo flight tracks global Black Carbon

    On 8th January 2012 a tiny ultra-light aircraft left Ljubljana in Slovenia on a mission to circumvent the globe using the smallest amount of fuel per distance flown whilst recording ambient levels of Black Carbon (BC) – one of the most important measures of air quality in terms of both human health and climate change. UK based particulate monitoring specialist Jim Mills from Air Monitors ...


    By Air Monitors Ltd.

  • In-Vehicle exposures to particulate matter and black carbon

    ABSTRACTIn-vehicle exposures to particulate matter (PM) and black carbon (BC) can be a significant part of personal totalexposure. The purpose of this study was to identify determinants of the in-vehicle pollutant level. This study measured in-vehicle exposure to PM number concentrations using an aerosol spectrometer and BC concentration by an aethalometer. The measurement was repeated 3 ...

  • Source apportionment of urban particulate matter using hourly resolved trace metals, organics, and inorganic aerosol components

    Abstract Source apportionment analysis of hourly resolved particulate matter (PM) speciation data was performed using positive matrix factorization (PMF). The data were measured at an urban site in downtown Toronto, Canada during two campaign periods (April-July, 2013; November, 2013-February, 2014), and included trace metals, black carbon, and mass spectra for organic and inorganic ...

  • 2013: a ‘perfect storm’ in air quality

    As many countries fail to meet air quality targets and large numbers of premature deaths still result from air pollution, Jim Mills, a particulate monitoring specialist and Managing Director of Air Monitors, explains why 2013 will be a pivotal year. In November 2011 Janez Potočnik, European Commissioner for the Environment, expressed his determination to make 2013 the ‘Year of ...


    By Air Monitors Ltd.

  • Black Carbon – the elephant in the room!

    Traditionally, ambient particulates have been measured gravimetrically according to their size. However, in this article Jim Mills, Managing Director of Air Monitors, will demonstrate that the time has come to change or at least augment the way ambient particulates are monitored and regulated. Air Monitors has supplied most of the UK's ambient monitoring network, but Jim will explain why the ...


    By Air Monitors Ltd.

  • Source Apportionment of Urban Particulate Matter using Hourly Resolved Trace Metals. Oi`ganics, and Inorganic Aerosol Components

    5    'Southern Ontario Centre for Atmospheric Aerosol Research. University of Toronto, Toronto, M5S 3E5. Canada Correspondence to: Cheol-Heon Jeong (chjeongiiiiutorontoca) and Greg J. Evans (greg.evansfiiutoronto.ca) Abstract. Source apportionment analysis of hourly resolved particulate matter (PM) speciauon data was performed using positive matrix factorization (PMF). The data ...

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