October 20th 2020
Interactive COVID-19 Maps Deployed for Los Angeles County Neighborhoods (and Surrounding Areas).
Written by
Stephan Themis
CEO Nexeo
Covid-19
Health Work
Code
MD AirSupport
Now, you can visualize the Coronavirus hot spots and stats in Los Angeles and Orange County neighborhoods on roll-over interactive maps. The crisis affected every one of us and our loved ones. So, when the pandemic captured headlines, we wanted to assimilate and disseminate as much information on the contagion spread as we could. During confinement, we first searched for reports of Coronavirus cases in our immediate vicinity. As a software development company, we thought others would also find a visual resource of statistical data helpful.

This search lead us to the County of Los Angeles Department of Public Health website, which regularly published the number of confirmed cases in LA County per neighborhood. Although complete and updated daily, the data format (displayed in a table with more than 340 lines, representing each community) made it difficult to digest. We wanted a graphic tool to help people assess the status of the virus around them at any particular location.
Since we could not find any map conveying these numbers visually, we decided to create our own as a pro-bono community service project, and make it available to the public. We combined geographic data from the Los Angeles Times and OpenStreetMap with map images from Mapbox.com. And the Leaflet API provided interactive capabilities that allow visitors to roll-over neighborhoods to see:

  • A visual map display of distinct, local areas
  • The number of cases per neighborhood or locality
  • Comparative rate of cases per 100,000 people
  • And a color-coded ranking per number of cases.
The development of the Interactive COVID-19 Map became quite a passion project for us when sheltering in place. Due to demand, we also created interactive maps of Coronavirus cases in Orange, San Bernardino, and Ventura Counties. When the interactive maps first rolled out in March 2020, experiencing a 1000-per-day visitor count, we had been updating the numbers for all four counties on a daily basis throughout the year (until some counties changed their reporting structure).

We hope that you will find these maps useful. Plus, we’ll keep you posted on our other pro-bono software projects. And, of course, everyone here wishes you health, strength, and courage during these trying times.
Related media
You can view the current COVID-19 Interactive Maps at the following URL:
themiswebtechnologies.com/covid19
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