Characteristics and Causes of Peak Ozone Concentrations: A Case Study of the Large Maritime Urban Location of Auckland, New Zealand. Basit Khan 1 * and C.R de Freitas 2 Technical Report: Peak ozone levels in the Auckland region The University of Auckland, Auckland, New Zealand. February, 2013. 1 Department of Geography, College of Science, University of Canterbury, Christchurch, New Zealand. 2 School of Environment, The University of Auckland, New Zealand. *Corresponding author: basitkhan.nz@gmail.com