Variables

PM2.5

Air-earth current density

Potential gradient by radioactive collector

Potential Gradient

Gamma – electron spectrometers

Muon detector

Weather station

Neutron flux

Lightning

Geomagnetic field

Potential Gradient

Potential Gradient

Digital ionosonde data

Potential Gradient

Atmospheric nanoparticles

Potential Gradient

Radon

Gamma radiation

Radon

Gamma radiation

Potential Gradient

Gamma dose rate

Optical observation of TLEs

Mesopause temperature

Lightning

VLF narrow band

ULF Geomagnetic storms

Schumann resonances

VLF broadband data

MODIS Aerosols

Radon

Earth system model

Cloud cover, cloud optical thickness, cloud top pressure

Meteorological data

Lightning

Terrestrial Gamma Ray Bursts

Transient Luminous Events

Emergency admissions

Potential Gradient

Temperature, RH, Wind, Rain, Pressure

Potential Gradient