Solar Imaging and Analysis:

SDO: http://sdo.gsfc.nasa.gov/data/

Helioviewer: http://www.helioviewer.org/

Flare Analysis: http://www.lmsal.com/solarsoft/latest…

Computer Aided CME Tracking CACTUS: http://www.sidc.oma.be/cactus/out/lat…

GOES Xray: http://www.swpc.noaa.gov/rt_plots/xra…

SOHO: http://sohodata.nascom.nasa.gov/

Stereo: http://stereo.gsfc.nasa.gov/

GONG magnetic field synoptic movie: https://gong.nso.edu/data/magmap/stan…

GONG magnetic field synoptic charts: http://gong.nso.edu/data/magmap/

LMSAL Heliophysics Events HEK http://www.lmsal.com/isolsearch

Solar Wind:

DISCOVR solar wind: http://www.swpc.noaa.gov/products/rea…

ACE Solar Wind: http://www.swpc.noaa.gov/products/ace…

NASA ENLIL SPIRAL: https://iswa.gsfc.nasa.gov/IswaSystem…

NOAA ENLIL SPIRAL: http://www.swpc.noaa.gov/products/wsa…

Magnetosphere, Ionosphere, Atmosphere: GOES Magnetometer: http://www.swpc.noaa.gov/products/goe…

Ionosphere D-Region Absorption (DRAP) model: http://www.swpc.noaa.gov/products/d-r…

Auroral Oval Ovation Products: http://www.swpc.noaa.gov/products/aur…

Global 3-hr Kp index: http://www.swpc.noaa.gov/products/pla…

Wing Kp index prediction: http://www.swpc.noaa.gov/products/win…

USGS Ground Magnetometers: http://geomag.usgs.gov/realtime/

USGS Disturbance Storm-Time (Dst): http://geomag.usgs.gov/realtime/dst/

NAIRAS Radiation Storm Model: http://sol.spacenvironment.net/raps_o…

Multi-Purpose Space Environment Sites:

NOAA/SWPC: http://www.swpc.noaa.gov

SOLARHAM: http://www.solarham.net/index.htm

Spaceweather: http://spaceweather.com

iSWA: http://iswa.gsfc.nasa.gov/iswa/iSWA.html

Definition of Geomagnetic Storm, Radiation Storm, and Radio Blackout Levels: http://www.swpc.noaa.gov/NOAAscales/