diff --git a/.ci/azure-pipelines-regression.yml b/.ci/azure-pipelines-regression.yml
index 7519a5862..2d81662f9 100644
--- a/.ci/azure-pipelines-regression.yml
+++ b/.ci/azure-pipelines-regression.yml
@@ -1,5 +1,8 @@
-# YAML file in the main branch
+# don't run on pull request or push
+pr: none
+trigger: none
 
+# run on timed schedule, like a cron job
 schedules:
 - cron: '0 0 * * *'
   displayName: Daily midnight build
@@ -7,6 +10,10 @@ schedules:
     include:
     - development
 
+# NOTE: several Python packages are needed for regression_testing to run properly:
+#   https://github.com/AMReX-Codes/regression_testing/blob/main/requirements.txt
+# ALSO NEEDED: bokeh
+
 jobs:
   - job: GPU_Regression
     pool: avatar
@@ -16,4 +23,6 @@ jobs:
       displayName: 'Run regression testing'
     - publish: /home/bwibking/regression-tests/web
       artifact: regressionHTMLOutput
-      displayName: 'Upload results'
+      displayName: 'Upload results to Azure Pipelines'
+    - script: cd /home/bwibking/regression-tests/web && git add . && git commit -m 'updated results' && git push
+      displayName: 'Upload results to GitHub Pages'
diff --git a/regression/quokka-tests.ini b/regression/quokka-tests.ini
index e045ddbee..1849cce4d 100644
--- a/regression/quokka-tests.ini
+++ b/regression/quokka-tests.ini
@@ -86,5 +86,7 @@ numprocs = 1
 compileTest = 0
 doVis = 1
 visVar = gasDensity
+compareParticles = 1
+particleTypes = tracer_particles
 testSrcTree = .
 ignore_return_code = 1