Activity summary of the solar and geophysical activity

Below you'll find a daily report brought to you by the NOAA about the solar activity and geophysical activity during the past day and the prediction for the coming days. This page is daily updated around midnight.

Solar and Geophysical Activity Summary 2017 Sep 22 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 265 Issued at 0245Z on 22 Sep 2017 This report is compiled from data received at SWO on 21 Sep
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B. Proton Events
None
C. Geomagnetic Activity Summary
Field activity was at quiet to unsettled levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 073  SSN 022  Afr/Ap 007/007   X-ray Background A1.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 7.5e+06   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.40e+09 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 1 3 2 2 2 1 1 Planetary 1 1 3 2 1 1 2 2 
F. Comments
  The GOES-13 electron fluence at greater than 2 MeV
exceeded very high levels.
Current data suggest that it is not possible to see aurora now at middle latitudes

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 25%
Middle latitude 5% 1%
Predicted Kp max 3
Solar activity
M-class solar flare 15%
X-class solar flare 1%
B3.0
Moon phase
Waxing Crescent

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/09/09M1.1
Last geomagnetic storm:2017/09/18Kp5 (G1)
Number of spotless days in 2017:56
Last spotless day:2017/08/01

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