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The Transportation Safety Board of Canada’s (TSB) Watchlist identifies the key safety issues that need to be addressed to make Canada’s transportation system even safer.

The Watchlist is a list of safety issues investigated by the TSB that pose the greatest risk to Canadians.

The Transportation Safety Board of Canada’s (TSB) Watchlist identifies the key safety issues that need to be addressed to make Canada’s transportation system even safer.

The Special Studies presented on this site are special measurement campaigns (with durations of several weeks to several years) carried out by the Air Quality Research Division of Environment Canada and its government, university and industry collaborators. The Special Studies data sets consist...

The Pacific 2001 Air Quality Study (PAC2001) was conducted from 1 August to 31 September, 2001 in the Lower Fraser Valley (LFV), British Columbia, Canada. The study consisted of a number of research projects organized to address several issues related to ambient particulate matter and ozone. A...

Ambient air is sampled daily, with a nominal 24-hour sampling period, on a Canadian Air and Precipitation Monitoring Network (CAPMoN) sequential sample head located 10 meters above ground. Air is drawn through a three-stage filter pack consisting of 47-millimeter Teflon, nylon and cellulose...

With new, more transmissible variants of the COVID-19 virus in countries around the world, the Government of Canada continues to take a data-driven and precautionary approach to its border measures for travellers entering Canada. The Government of Canada's phased approach to easing border...

The Continuous Non-Methane Hydrocarbon (NMHC) Measurements Study was a measurement program carried out at the Centre for Atmospheric Research Experiments (CARE) at Egbert, ON. Approximately 30 C2 to C8 hydrocarbons were collected and analyzed every three hours by an automated, in-situ gas...

In October and November 2015, ground-based air measurements of pollutants were made from two mobile laboratories in southeast Saskatchewan in an area within a 50 km radius of Stoughton, Saskatchewan by scientists of the Air Quality Research Division, Environment and Climate Change Canada....

Ground level ozone and meteorological parameters were measured at the Mount Sutton research site from October 1986-June 2008. The main objectives of these measurements were: to characterize high elevation (845 m.a.s.l.) ozone levels in this rural region; and 2. to determine long term ozone...