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Table 3 Distribution of air pollution exposure

From: Long-term air pollution exposure and living close to busy roads are associated with COPD in women

N = 4757 Min P 25 Median Mean P 75 Max
Annual Mean
NO2 [μg/m3] 20 29 41 39 45 60
PM10 [μg/m3] 35 40 43 44 47 53
Distance to Road [m] with >10,000 cars/Day 6 424 494 519 556 6374
Five year Mean
NO2 [μg/m3] 22 25 46 39 49 55
PM10 [μg/m3] 39 43 47 48 53 56