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Table 2 Distributions of air pollutants and meteorological parameters (hourly average) during the follow-up period

From: Responses of healthy young males to fine-particle exposure are modified by exercise habits: a panel study

Variables n Mean (SD) IQR
PM2.5 (μg/m3) 1261 65.2(69.6) 5.8–106.2
BC (μg /m3) 1108 5.3(4.2) 1.0–8.9
UFP (103/cm3) 1153 16.2(7.3) 11.4–20.8
AMP (103/cm3) 1153 4.6(3.8) 0.7–7.6
Temperature (°C) 1344 1.3(3.3) −1.2-3.5
Relative Humidity (%) 1344 24.8(12.7) 1.5–31.5
  1. Abbreviation: PM2.5, fine particles; BC, black carbon; UFP, ultrafine particles; AMP, particles in accumulation mode