Below shows the PM concentrations at the Sunland Park City Yard this morning. Peak hourly PM2.5 was 34 ug/m3 at 6 am. The PM2.5/PM10 ratio was 42 indicating more fine particles than usual. My guess is a little more residential burning (home heating) than fugitive dust from unpaved roads.
I am in Davis, CA today at a Western Extension climate and applications meeting at UC Davis. A little rain fell there and temperatures dropped quite a bit from a couple days ago. Lots of good discussions and sharing with state climate offices in WA, OR, CA, UT, AZ, and CO. I spent a little time at the California Air Resources Board in Sacramento meeting with a friend at lunch. I was relieved that there was very light traffic in an out of Sacramento today. The flight back to Las Cruces was a bit dicey because of high winds on a stop-over in Las Vegas. Flights were delayed and not sure if I was going to get home tonight.
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