Surface weather map shows the event with visibilities
The 1 pm PM10 concentration at the Sunland Park City Yard was 2953 ug/m3 and PM2.5 was 180 ug/m3 with hourly averaged winds of 11 m/s and 19 m/s gusts. The air quality is in the Hazardous category (AQI > 500).
The plot below shows the particulates at the NMED Anthony Elementary monitoring site.
A view from my office window looking out toward the west shows this dust in Las Cruces
TCEQ has provided a nice summary of the Nov. 28 dust event based on their monitoring data and an animation of GOES images.