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 Jul 22 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 203 Issued at 0245Z on 22 Jul 2017 This report is compiled from data received at SWO on 21 Jul
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0105 0105 0105                       380                           
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was active.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 069  SSN 000  Afr/Ap 013/016   X-ray Background A4.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.7e+07   GT 10 MeV 1.6e+04 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W74 degrees)
Daily Electron Fluence
GT 2 MeV 2.60e+07 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W74 degrees)
3 Hour K-indices
Boulder 4 4 3 2 3 4 2 3 Planetary 4 4 2 1 2 4 2 3 
F. Comments
  None.
Current data suggest that it is not possible to see aurora now at middle latitudes
The solar wind speed is currently moderately high (584 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 40%
Middle latitude 10% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waning Crescent

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/07/14M2.4
Last geomagnetic storm:2017/07/17Kp6 (G2)
Number of spotless days in 2017:48
Current stretch spotless days:5

This day in history*

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12004M9.1
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ApG
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*since 1994