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Elemental and Organic Carbon in Ambient Air of a Major Indian Urban Community


Recent epidemiological studies have demonstrated associations between residential proximity to traffic sources and adverse respiratory symptoms as the Diesel Exhaust Particulate surfaces act as a site for the concentration of thousands of organic compounds. Analysis of 24 h integrated samples of PM10 and PM2.5 collected at a kerb site in a major Indian urban community, heavily impacted by heavy commercial vehicles, showed elemental carbon concentrations higher (14.4–48.8 μg/m3) than organic carbon (1.7–9.2 μg/m3). The organic to elemental carbon ratio varied from 0.09 to 0.31. Average concentration of PM10 and PM2.5 ranged 133–492 μg/m3 and 87–160 μg/m3, respectively.

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The authors are grateful to Director NEERI for according permission to publish these findings. They are thankful to their colleagues at NEERI HQ and Zonal Labs for their involvement in sample collection.

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Correspondence to Animesh Kumar.

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Kumar, A., Deshmukh, S.U. Elemental and Organic Carbon in Ambient Air of a Major Indian Urban Community. Bull Environ Contam Toxicol 84, 319–321 (2010).

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  • Elemental carbon
  • Organic carbon
  • PM10
  • PM2.5