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Table 1 Distribution of air pollution concentration from 2012 to 2016

From: Associations between ambient air pollution and cancer incidence in Taiwan: an ecological study of geographical variations

Air pollutant (units)Mean (SD)MinimumPercentilesMaximum
5th25th50th75th95th
PM2.5 (μg/m3)25.182 (7.502)6.28012.29720.18925.10929.80339.25545.380
PM10 (μg/m3)49.500 (13.615)15.69028.40039.31648.45459.70872.44381.931
SO2 (ppb)3.338 (1.237)1.2031.7152.6263.1023.8286.0378.861
NOx (ppb)20.470 (14.044)2.3747.74913.60117.72623.21537.012116.787
O3 (ppb)28.952 (3.726)16.67723.02626.72928.73431.05336.03542.777
  1. SD indicates standard deviation
  2. NOx refers to the combination of NO and NO2