Figure 2A–D illustrates the concentrations of different
pollutants and the percentage of time to which people
were exposed to these concentrations. The data were
used to estimate the short- term effects.
The short-term health impacts of exposure to PM10,
SO2, NO2 and O3 above a reference value of 10 μg/m3
are shown in Table 3. The figures represent the estimated
AP and number of excess cases in comparison to
the cases if concentration values of the pollutants were
10 μg/m3. For O3, the numbers of excess cases over total