About This Site
This is an interactive visualization of Canadian coronavirus data over time.
It’s updated frequently each day.
I built this because I couldn’t find a simple, snappy Canadian COVID-19 timeline.
You can help out or send suggestions: firstname.lastname@example.org.
- May 4: The timeline now starts at Feb. 29, instead of Jan. 25. With over 3 months of data, the graph was becoming too cluttered.
- Mar. 29: Added percent increase to map.
- Mar. 27: Added “Last 20 Days” option.
- Mar. 25: Now showing active cases.
- Mar. 24: Improved keyboard accessibility.
- Mar. 22: Added logarithmic scale.
Reading the Map
Tap or mouse over each region for details. Circles represent provinces and territories, not exact locations. Repatriated travellers include those returning from cruise ships.
Reading the Graph
Confirmed cases are shown in blue. This number is cumulative and will not go down. “Flattening the curve” refers to active cases, which are shown in yellow.
Dotted lines indicate today’s data, which may not be final. The logarithmic scale is useful for seeing changes in the growth rate, and differences in the early numbers.
Data is compiled from official
federal and provincial sources, and
This is built with D3.js. A few things I’ve found useful while working on this:
Coronavirus by Region