Short-term O3 concentrations ranged between 60.7 and 80.3 mg/
m3; however, long-term exposure levels were much lower and
ranged between 38.8 and 55.5 mg/m3. For NO2, instead, short-term
data (5.2e42.2 mg/m3) underestimated long-term data
(11.5e66.8 mg/m3).