Viewing archive of Thursday, 31 March 2011 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 76 -15 | 0 | B3.57 | C3.85 | 4 |
Sunspot regions
Region 11176 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -6 | 220 10 | FSO | S17W37 | |
Solar flares on this day | ||||
| C3.71 C1 | ||||
Region 11178 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 10 | BXO | S17W10 | |
Solar flares on this day | ||||
| C2.29 | ||||
Region 11180 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 10 | HSX | N23W01 | |
Region 11181 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | S26E06 | |
Region 11183 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 6 | 330 120 | EAI | N15E27 | |
Solar flares on this day | ||||
| C1.71 | ||||
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Whitehorse, YT, Yellowknife, NTFairbanks, AK
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
Solar Demon 3Unspecified geomagnetic activity 2146AR4046 134Aurora photography hints for those of us with smartphones 54AR4048 34
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Latest alerts
00:09 UTC - Solar flare
Moderate M1.03 flare
Sunday, 30 March 2025
23:51 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.03)
23:39 UTC - Solar flare
Moderate M1.52 flare
23:21 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.49)
23:09 UTC - Solar flare
Moderate M1.48 flare
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/30 | M1.0 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 127 -27.6 |
| Last 30 days | 127 -25.7 |