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Environment Canada
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Year-to-Date Ozonesonde Graphs

This section contains plots of the time-altitude cross-section of the ozone partial pressure measured by ECC ozonesondes at 10 Canadian stations. Ozone partial pressure is given in nanobars. The actual data are available (typically, with one month delay) from the The World Ozone and Ultraviolet Radiation Data Center (WOUDC).

Stations are ordered from south to north.

Graphs from previous years, and from other stations contributing to the WOUDC can be found at

Yarmouth 2016
Yarmouth 2017
Kelowna 2016
Kelowna 2017
Goose Bay 2016
Goose Bay 2017
Edmonton 2016
Edmonton 2017
Churchill 2016
Churchill 2017
Resolute 2016
Resolute 2017
Eureka 2016
Eureka 2017
Alert 2016
Alert 2017