Geophysical report

Viewing archive of Wednesday, 22 April 2026

Solar and Geophysical Activity Summary 2026 Apr 22 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 112 Issued at 0245Z on 22 Apr 2026 This report is compiled from data received at SWO on 21 Apr

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0103 0115 0124              C1.3     100                           
 0540 0540 0540                       110                           
 1341 1402 1412  4420 N17E59 C1.4  Sf 400                           
 1415 1424 1440  4420 N16E57 C1.9  Sf 120                           
 1559 1559 1559                       180                           
 2237 2237 2237                       230

B. Proton Events

None.

C. Geomagnetic Activity Summary

The geomagnetic activity reached Minor storm levels.

D. Stratwarm

Not available

E. Daily Indices: (real-time preliminary/estimated values)

10 cm 112  SSN 068  Afr/Ap 014/019   X-ray Background B5.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 6.4e+05   GT 10 MeV 1.9e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 9.40e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W72 degrees)
3 Hour K-indices
Boulder 4 4 2 2 3 3 3 2 Planetary 5 4 2 2 3 4 3 2

F. Comments

  None.

All times in UTC

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Space weather facts

Last X-flare	2026/04/24	X2.5
Last M-flare	2026/05/22	M2.3
Last geomagnetic storm	2026/05/16	Kp6- (G2)

Spotless days
Last 365 days	3 days
2026	3 days (2%)
Last spotless day	2026/02/24

Monthly mean Sunspot Number
April 2026	79.3 -6.6
May 2026	87.5 +8.2
Last 30 days	98 +7.5

This day in history*

Solar flares
1	2025	M2.2
2	2014	M2
3	2000	M1.87
4	2023	M1.85
5	2001	M1.81

		Dst	G
1	2000	-147	G4
2	1959	-86	G3
3	1983	-84	G4
4	1989	-82	G2
5	2002	-82

*since 1994

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