Photo date: February 14, 2017. Photographer: Mark Mahin.
The photo below shows a purple orb I photographed, along with a purple-white orb.
There was no fog, mist, rain or precipitation on this night. The air quality listed on airnow.gov was "good," with a level of 38. The pollen count listed on pollen.com was "low," with a level of 0.6.