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Amateur Radio:  Usable HF Frequencies
(page refreshed every 20 minutes)

Use the indicated color (red, yellow, green, blue, white, etc.) to determine
the recommended HF frequencies for contacts.
Any white “bubble” indicates no suitable frequency or high absorption.

Amateur Radio: Usable HF Frequencies

Amateur Radio: Usable HF Frequencies

Realtime Geomagnetic Developments from IRF  – Swedish Institute of Space Physics (Institutet för rymdfysik, IRF)

Space Weather Canada

27 Day Magnetic Activity Forecast from Spaceweather Canada

A great document on space weather and its effects on technology from Government of Canada

US NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION and National Weather Service

Space Weather Enthusiasts Dashboard 

Check out the Australian Government Bureau of Meteorology and their Space Weather Services

Follow @_SpaceWeather_ On Twitter