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A Comparative study of Air Quality of an Urban and a Sub-urban Cities in Delta State Nigeria

Author Affiliations

  • 1Department of Chemistry, Delta State University, Abraka, Delta State, NIGERIA

Res.J.chem.sci., Volume 5, Issue (8), Pages 13-17, August,18 (2015)


Twenty plant species were screened for their sensitively/tolerance level to air pollution in an urban as well as a semi-urban environment. The aim of this study is to establish any definite pattern between air quality in urban and semi urban. In order to do this the air pollution tolerance index (APTI) was used to evaluate the plants in these environments. This is an indirect monitoring of the environment. It was found that plant from the urban environment had consistently higher APTI than those from a similar ecological environment in a semi-urban setting. A definite gradient was then established between the urban and semi urban environment.


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