Ottawa Bike Study Exposure Dataset

A cross-over study was conducted among 42 healthy adults during the summer of 2010 in Ottawa, Canada. Participants cycled for 1 hour along high and low traffic routes and ultrafine particles (UFPs) 0.1um in aerodynamic diameter, particulate matter (PM2.5) 2.5 µm in aerodynamic diameter, and black carbon were measured along each cycling route. Ambient nitrogen dioxide (NO2) and ozone (O3) levels were recorded from a fixed-site monitor.

Data and Resources

Additional Info

Field	Value
Last Updated	April 17, 2026, 20:40 (UTC)
Created	April 17, 2026, 20:40 (UTC)
contact_email	air@hc-sc.gc.ca
contact_person	{}
criticality_level	[]
data_dictionary	[]
geographic_scope	[]
open_canada_collection	primary
open_canada_date_published	2022-02-09 00:00:00
open_canada_keywords	{"en": ["Air Quality", "Bike", "cycling", "ultrafine particles", "UFP", "particulate matter", "PM 2.5", "nitrogen oxide", "NO2", "ozone", "O3", "Ottawa", "exposure"], "fr": ["Qualité de l’air", "vélo", "cyclisme", "particules ultrafines", "PUF", "matière particulaire", "PM2.5", "oxyde d’azote", "NO2", "ozone", "O3", "Ottawa", "exposition"]}
open_canada_subject	["health_and_safety"]
sensitivity_level	unrestricted
title_fr	Ensemble de données de l’Étude de l’exposition à vélo d’Ottawa
update_frequency	not_planned