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 Mar 21 0030 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar Region Summary
SRS Number 80 Issued at 0030Z on 21 Mar 2025 This report is compiled from data received at SWO on 20 MarI. Regions with Sunspots
Locations Valid at 20/2400Z
| Nmbr | Location | Lo | Area | Z | LL | NN | Mag Type |
|---|---|---|---|---|---|---|---|
| 4021 | S04W62 | 178 | 0090 | Hsx | 01 | 03 | Alpha |
| 4022 | N05W78 | 194 | 0010 | Axx | 02 | 02 | Alpha |
| 4025 | N10W64 | 180 | 0090 | Cso | 08 | 04 | Beta |
| 4026 | S20W55 | 171 | 0020 | Cro | 04 | 05 | Beta |
| 4028 | S17W24 | 140 | 0060 | Cai | 06 | 10 | Beta |
| 4030 | S17W13 | 129 | 0060 | Hsx | 02 | 01 | Alpha |
| 4031 | N17W48 | 164 | 0100 | Cai | 10 | 12 | Beta |
| 4034 | S12E04 | 112 | 0020 | Cso | 05 | 08 | Beta |
| 4035 | N15E32 | 084 | 0080 | Dso | 08 | 04 | Beta |
IA. H-alpha plages without spots
Locations Valid at 20/2400Z Mar
| Nmbr | Location | Lo |
|---|---|---|
| 4020 | N19W80 | 196 |
| 4023 | N25W59 | 175 |
| 4029 | S15W36 | 152 |
| 4032 | N28W34 | 150 |
| 4033 | N29W04 | 120 |
II. Regions Due to Return 21 Mar to 23 Mar
| Nmbr | Lat | Lo |
|---|---|---|
| 4009 | N12 | 022 |
| 4014 | N17 | 017 |
| 4015 | N27 | 011 |
Latest news
Wednesday, 5 March 2025
Coronal hole faces Earth
Sunday, 23 February 2025
X2.0 solar flare from sunspot region 4001
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
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Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/19 | M1.5 |
| Last geomagnetic storm | 2025/03/14 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 138.4 -16.2 |
| Last 30 days | 143 -6.3 |