“…Much work has been conducted in Central and South American cities (Mexico City: Bravo and Torres, 2000;Baumgardner et al, 2004;Sao Paolo: Souza et al, 1999;Coury et al, 2002;de Miranda et al, 2002;Porto Alegre: Grosjean et al, 1999;Buenos Aires: Ulke, 2000;Mazzeo, 2000, 2003;Mazzeo and Venegas, 2004) and cities on the Indian subcontinent (Tripathi et al, 1996;Delhi: Varshney and Padhy, 1998;Kanpur: Sharma and Maloo, 2005;Kolkata: Ghose et al, 2005;Hyderabad: Latha and Badarinath, 2005a;various cities: Begum et al, 2004;Gurjar et al, 2004;Mouli et al, 2004). South East Asian cities which have been the focus of extensive air pollution studies include Hong Kong (Chan and Kwok, 2000;Lee et al, 2002;Tanner and1862 M. ROTH Law, 2003), the Taiwanese cities of Kaohsiung (Chen et al, 2003a;Lin and Lee, 2004) and Taipei (Li and Lin, 2002), urban agglomerations in Thailand (Chueinta et al, 2000) as well as Hong Kong, Bangkok and Jakarta which were the focus of a comparison of total suspended particulate loadings as a function of season (Panther et al, 1999). Less work is available from Africa (e.g.…”