Solar region summary
Below you'll find a daily report brought to you by the NOAA about the solar regions during the past day and the prediction for the coming days. This page is daily updated around midnight.
Solar region summary 2025 May 26 0030 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar Region Summary
SRS Number 146 Issued at 0030Z on 26 May 2025 This report is compiled from data received at SWO on 25 MayI. Regions with Sunspots
Locations Valid at 25/2400Z
| Nmbr | Location | Lo | Area | Z | LL | NN | Mag Type |
|---|---|---|---|---|---|---|---|
| 4090 | S13W57 | 021 | 0030 | Hsx | 01 | 01 | Alpha |
| 4092 | S13W14 | 338 | 0110 | Hsx | 02 | 01 | Alpha |
| 4093 | S06W05 | 329 | 0020 | Hrx | 01 | 01 | Alpha |
| 4096 | N06E18 | 306 | 0060 | Hsx | 02 | 01 | Alpha |
| 4097 | S14E19 | 305 | 0010 | Bxo | 04 | 04 | Beta |
| 4098 | S04W57 | 021 | 0170 | Dai | 08 | 12 | Beta-Gamma |
| 4099 | S13E67 | 257 | 0110 | Cao | 04 | 03 | Beta |
IA. H-alpha plages without spots
Locations Valid at 25/2400Z May
| Nmbr | Location | Lo |
|---|---|---|
| 4089 | N11W69 | 033 |
| 4091 | S13W76 | 040 |
| 4094 | N20W06 | 330 |
II. Regions Due to Return 26 May to 28 May
| Nmbr | Lat | Lo |
|---|---|---|
| 4081 | N07 | 232 |
| 4086 | N07 | 225 |
| 4082 | S09 | 206 |
Latest news
Wednesday, 14 May 2025
Another X-flare! Potent sunspot region 4087!
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Latest forum messages
Incoming & Unnumbered Active Regions 1922AR14099 4AR 14098 88Current Farside Activity 18Solar Transit, Artifacts, or Radiation 30
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Space weather facts
| Last X-flare | 2025/05/25 | X1.1 |
| Last M-flare | 2025/05/25 | M8.9 |
| Last geomagnetic storm | 2025/05/17 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 74.5 -66.1 |
| Last 30 days | 79.4 -43.5 |