Photo date: October 23, 2016. Photographer: Mark Mahin.
The photo below shows an orb I photographed above a fence. Notice the green area inside the 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 33 (anything below 50 is good). The pollen level listed on pollen.com was low, with a level of 2.4.