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 Apr 30 0030 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar Region Summary
SRS Number 120 Issued at 0030Z on 30 Apr 2025 This report is compiled from data received at SWO on 29 AprI. Regions with Sunspots
Locations Valid at 29/2400Z
| Nmbr | Location | Lo | Area | Z | LL | NN | Mag Type |
|---|---|---|---|---|---|---|---|
| 4065 | S31W91 | 039 | 0020 | Hsx | 01 | 01 | Alpha |
| 4068 | S24W44 | 352 | 0010 | Axx | 01 | 01 | Alpha |
| 4070 | S12W58 | 006 | 0070 | Dso | 09 | 07 | Beta |
| 4072 | S18W18 | 326 | 0060 | Dai | 04 | 05 | Beta |
| 4076 | N06E04 | 304 | 0080 | Hsx | 02 | 01 | Alpha |
| 4077 | S17E04 | 304 | 0010 | Axx | 01 | 01 | Alpha |
| 4078 | N16W61 | 009 | 0020 | Cro | 04 | 04 | Beta |
| 4079 | N08E67 | 241 | 0560 | Ehi | 14 | 05 | Beta-Gamma |
IA. H-alpha plages without spots
Locations Valid at 29/2400Z Apr
| Nmbr | Location | Lo |
|---|---|---|
| 4069 | S07W87 | 035 |
| 4073 | N11W28 | 336 |
| 4075 | S11W08 | 316 |
II. Regions Due to Return 30 Apr to 02 May
| Nmbr | Lat | Lo |
|---|---|---|
| 4056 | S07 | 198 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/30 | M1.9 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 125.7 -8.5 |
| Last 30 days | 126.6 -0.4 |