New project: Ottawa AED mapper

Like any modern major city, Ottawa has recently gotten into the Open Data game. Releasing a myriad of content from skating rink locations to annual budgets (Full list of Ottawa Open Data here). One piece of data really caught my eye was the list of Public Access Defibrillator Sites.


For sudden cardiac arrests chance of survival declines 7-10% for every minute without defibrillation, 12 minutes following collapse the cardiac arrest survival rates are only 2 to 5 percent.


  • Map all of the city’s public AEDs.
  • Show nearest based on user’s location.
  • Allow private organizations to submit their AEDs.
  • Add the ability for people to annotate public listing with precise GPS co-ords.
  • Add support for picture annotations
  • Add hours of availability.


Public Access Defibrillator Sites A list of all the City of Ottawa Public Access Defibrillators, including site list and location at the site. This list includes data such as: Facility Type, Facility Names, Address #, Address, Street Name, WARD, # of AEDs, Location Of AEDs.


  • GPS co-ordinates
  • Pictures of Defibs.
  • Hours of Operation

Progress so far

Local Ottawan Mark St.John has made a first attempt at mapping these AEDs on his website:

His key findings

  • Address isn’t precise enough, latitude and longitude of actual AED would be way better.
  • Having hours of availability (and precise dates) would be preferred.
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