Viewing archive of Saturday, 3 April 2021

Geophysical report

Solar and Geophysical Activity Summary 2021 Apr 03 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 093 Issued at 0245Z on 03 Apr 2021 This report is compiled from data received at SWO on 02 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to unsettled
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 072  SSN 000  Afr/Ap 004/005   X-ray Background A1.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 8.1e+04   GT 10 MeV 4.5e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.20e+07 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 1 1 1 1 3 2 1 Planetary 1 0 0 0 1 3 2 1 
F. Comments
  None

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/02/04X4.3
Last M-flare2026/02/08M2.8
Last geomagnetic storm2026/02/05Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2026112.6 -11.4
February 2026137.7 +25.1
Last 30 days127.6 +24.1

This day in history*

Solar flares
12024X3.38
22015M3.5
32024M3.1
42023M3.0
52023M2.8
DstG
11986-307G4
21992-201G3
31981-81G1
41959-69G1
51994-68G1
*since 1994

Social networks