Sunspot regions Help

On this page you'll find an overview of all the visible sunspot regions on the Sun together with their properties, images and the chances on solar flares or proton events. This page is updated daily and the sunspot images every hour.

Solar Dynamics Observatory HMI Intensitygram

4436443944414443
Today's Sun
Sunspot number 72 -5
New regions0
10.7cm Solar Radio Flux114 8
Carrington Rotation2311
Sunspot regions
RegionNumber of
sunspots
Class
Magn.
Class
Spot
44367CSI
44395HRX
444114EAI
44431AXX
Regions due to return
Region Lat.
None
H-alpha plages without spots
Region Location
4440N17E15
4442S15W00
4409N06E12

Region 4436

Number of
sunspots
Size Class Magn. Class Spot Location
7 1 100 15 CSI N18W77
4436 - HMIIF 4436 - HMIBC

Flare probabilities

C M X Proton
40% 10% 1% 1%

Solar flares from today

B8.0

Region 4439

Number of
sunspots
Size Class Magn. Class Spot Location
5 20 -30 HRX N06E17
4439 - HMIIF 4439 - HMIBC

Flare probabilities

C M X Proton
10% 1% 1% 1%

Solar flares from today

B8.7 C1.0

Region 4441

Number of
sunspots
Size Class Magn. Class Spot Location
14 6 120 35 EAI N08W28
4441 - HMIIF 4441 - HMIBC

Flare probabilities

C M X Proton
60% 15% 1% 1%

Region 4443

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 5 AXX S17E25
4443 - HMIIF 4443 - HMIBC

Flare probabilities

C M X Proton
5% 1% 1% 1%

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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/05/17M1.4
Last geomagnetic storm2026/05/16Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (2%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
April 202679.3 -6.6
May 202690.4 +11.1
Last 30 days99.3 +8.3

This day in history*

Solar flares
12002X3.07
22001M9.22
32023M8.96
42002M7.2
52002M6.81
DstG
12005-83G1
21981-69G2
31990-59G1
42023-57G2
52024-43
*since 1994

Aurora on this day in history

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