From: Respiratory outcomes of ultrafine particulate matter (UFPM) as a surrogate measure of near-roadway exposures among bicyclists
Road type
Mean ± SD
Median
Range (Min-Max)
High traffic routes
49,369 ± 11,812
44,023
36,049–98,420
Low traffic routes
17,474 ± 6,600
16,553
7,694–25,924