Photo date: March 10, 2017. Photographer: Mark Mahin.
The photo below shows an extremely colorful swarm of orbs I photographed near a building in midtown Manhattan. We see colors of purple, orange, blue, yellow, and green.
here for lots of other greenish-purple sky orbs I have photographed.
There was no fog, mist, rain or precipitation on this night. The air
quality listed on airnow.gov was "good," with a level of 37. The pollen
count listed on pollen.com was low, with a level of 0.7.