Dirty Air: Spanish Fork catching up with Salt Lake

I like to think that air quality is Spanish Fork is cleaner than the urban metropolis of Salt Lake City, but that isn't true all the time. Here is a time series of PM 2.5 pollution in downtown Salt Lake City (purple) and Spanish Fork (red).

On January 27th, Spanish Fork air was about 20 micrograms cleaner than Salt Lake City. But Spanish Fork's pollution concentration has caught up to Salt Lake's today. Good thing we have a storm coming through Utah Friday night which will mix all this gunk out.

This data is from Purple Air. Looks like you can contact them to get a sensor at your house...http://www.purpleair.org/