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Diurnal evolutions of nitrogen oxides (NOx), ozone (O 3 ), and PM 10 particles at a busy traffic cross‐road in the city of Tunis
Author(s) -
Azri Chafai,
Mabrouk Chaabane,
Medhioub Khaled
Publication year - 2009
Publication title -
environmental progress and sustainable energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.495
H-Index - 66
eISSN - 1944-7450
pISSN - 1944-7442
DOI - 10.1002/ep.10315
Subject(s) - anticyclone , nitrogen oxides , nox , ozone , air quality index , environmental science , particulates , air pollution , meteorology , population , pollution , diurnal temperature variation , atmospheric sciences , geography , waste management , engineering , environmental health , chemistry , geology , medicine , ecology , organic chemistry , biology , combustion
This study reports on an air quality investigation carried out in the city of Tunis (a North African coastal town) during the period starting in October 2003 and ending in December 2003. It investigates the diurnal gaseous and particulate pollution in the vicinity of “Bab Saadoun,” one of the most heavily trafficked cross‐roads in the city of Tunis. The average concentrations under investigation exhibited some peculiarities stemming mainly from the general customs of the local population and from specific meteorological situations (anticyclones, cyclones with deep movement) pertaining to ozone levels. These peculiarities were taken into consideration and are elaborated on the present article. © 2008 American Institute of Chemical Engineers Environ Prog, 2009