This will download the Geomagnetic K-Index for the given location. For more information on the K-Index, click here.

Generally when the K-Index is >= 7 you have a chance of seeing Aurora activity in the upper half the continental US.

Station: Overall Planetary IndexBoulder, COChambon-la-foret, FranceCollege, AKFredericksburg, VAKergulen IslandLearmonthWingst