Viewing archive of Friday, 25 July 2025 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
133 -40 -4B8.34C7.435

Sunspot regions

Region 14142

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 HAX N04W0*
HMIIF
HMIBC

Region 14149

Number of
sunspots
Size Class Magn. Class Spot Location
20 8 280 20 EKO N17W06
HMIIF
HMIBC

Solar flares on this day

C7.4

Region 14150

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 60 10 CSO S13W13
HMIIF
HMIBC

Region 14153

Number of
sunspots
Size Class Magn. Class Spot Location
15 7 210 30 DAI S30E20
HMIIF
HMIBC

Solar flares on this day

C1.4 C1.8

Region 14154

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 60 20 HAX S14E32
HMIIF
HMIBC

Solar flares on this day

C1.0

Region 14155

Number of
sunspots
Size Class Magn. Class Spot Location
7 2 10 -40 CAI S10E46
HMIIF
HMIBC

Solar flares on this day

C1.7 C2.2

Region 14156

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 -20 HRX N09E51
HMIIF
HMIBC

Region 14157

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 50 HSX S19E40
HMIIF
HMIBC

Region 14158

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 10 -10 CAO S15W61
HMIIF
HMIBC

All times in UTC

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/04M1.7
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026133.3 +47.4
Last 30 days96.1 +32

This day in history*

Solar flares
12002M8.82
22026M7.6
31999M6.76
42001M2.91
52003M2.74
DstG
11979-202G3
21988-133G3
31984-120G4
42004-117G2
51994-111G3
*since 1994

Aurora on this day in history

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