Table 2

Descriptive hourly air pollution data (1 January 2000 to 31 December 2010) across all seven monitors in Perth

N*Percentile cut pointIQR
5%25%50%75%95%
PM2.5 (µg/m3)245 6642.304.726.809.8017.705.08
PM10 (µg/m3)246 2104.999.9014.6021.0036.3811.10
CO (ppm)275 9170.000.070.110.230.900.16
NO2 (ppb)647 9750.001.003.008.1019.807.10
O3 (ppb)566 7111.9012.8020.0027.3035.0014.50
SO2 (ppb)283 3160.000.100.400.903.500.80
  • *Number of observations across all monitors.

  • PM, particulate matter.