Hourly STD Solar and Geophysical Report


Valid for 2138Z, 2014/10/22

This information is updated every 30-minutes and is valid
for the periods 00-03, 03-06, ..., 21-24 UTC.

Boulder K-Indices for the Current UTC Day: 3333 432*
Planetary K-Indices for the Current UTC Day: 4332 333*

An asterisk (*) denotes unavailable or missing data.

Running Estimated 24-Hour Planetary A-Index: 16 (UNSETTLED)

Boulder K-Indices for the Last UTC Day: 2233 3332
Planetary K-Indices for the Last UTC Day: 3233 4343

Yesterday's Boulder A-Index: 12
Yesterday's Planetary A-Index: 15

Current 10.7 cm solar radio flux: 216 sfu.

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