Test of pre-set layers:



<br style="padding-bottom:100px;">

## Air layers

[map:layers:content:44.5:-90.1:fracTrackerMobile,aqicnLayer,openaq,toxicReleaseLayer,skyTruth]

****

## Air layers plus purpleair + luftdaten (CORS blocked)

[map:layers:content:44.5:-90.1:fracTrackerMobile,purpleairmarker,aqicnLayer,openaq,luftdaten]