Solar Flare activity and Geomagnetic Field activity seems to affect the amount of ghost activity. Research has shown that during periods of heightened solar flare activity and geomagnetic activity in space, the amount of spirit activity increases. M class and X class flares are good sources of energy for the spirits to use to manifest. Spirits often tap into normal electrical sources such as electrical appliances and batteries to get this energy but on days when the air is full of excess energy due to a solar storm or flare, they have a surplus of energy to tap into. This information is also important because it may adversely affect your more sensitive EMF meters, like the Trifield EM meter, giving you false positive readings.