Spirits are everywhere. Those who are gifted with the ability to see them will.
At this time the moon is fuller than 50% therefore a lot of moon energy is filling the nighttime. As it wanes you will feel a decrease and then again as the moon waxes again you will feel it grow.
It happens every month with the moon. As one becomes more aware and one works with energy they begin to recognize it and the different forms the energy can take. Be sure to meditate daily as well as work with energy gathering and redirection.