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Table 2 Statistical information for each annual pollutant

From: Spatial association between outdoor air pollution and lung cancer incidence in China

Factor Abbreviation Max Min Mean Standard deviation
Fine particulate (μg/m3) PM2.5 139.22 14.40 64.18 21.05
Inhalable particles (μg/m3) PM10 235.32 37.46 110.87 37.67
Sulfur dioxide (μg/m3) SO2 192.71 1.92 35.54 25.05
Ozone (μg/m3) O3 98.44 0.00 50.66 15.08
Carbon monoxide (mg/m3) CO 3.27 0.41 1.26 0.46
Nitrogen dioxide (μg/m3) NO2 89.42 7.42 39.12 13.87
  1. Note: μg/m3: 1 microgram per cubic meters; mg/m3: 1 mg per cubic meters