Figure 1: Auckland TSP seven-day average 2006
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Penrose concentrations were generally between 15- 25 µg/m3throughout the year, with the maximum value of about 35 µg/m3 in July. Kowhai values were generally slightly lower but experienced a peak level of around 45 µg/m3 in July.
Ministry of Health guideline = 60 µg/m3.
