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Solar flares in January 1981
C-class168
M-class28
X-class1
LargestX2.11981-01-25
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| January 1980 | 87 | 24 | 1 | X0.1 |
| January 1981 | 168 | 28 | 1 | X2.1 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-01-25 | 07:43 | 07:47 | 18 | X2.1 | – | 2911 |
| 1981-01-25 | 08:46 | 09:08 | 68 | M9.0 | – | 2911 |
| 1981-01-28 | 04:12 | 04:22 | 10 | M8.3 | S13E57 | 2911 |
| 1981-01-25 | 05:18 | 06:28 | 106 | M5.9 | – | 2911 |
| 1981-01-27 | 15:40 | 15:47 | 54 | M4.6 | S13E63 | 2911 |
| 1981-01-05 | 16:11 | 16:41 | 37 | M3.9 | – | – |
| 1981-01-26 | 02:56 | 03:13 | 41 | M2.9 | S12E85 | 2911 |
| 1981-01-26 | 02:00 | 02:14 | 37 | M2.6 | S14E84 | 2911 |
| 1981-01-25 | 08:29 | 08:33 | 13 | M2.5 | – | – |
| 1981-01-25 | 02:10 | 02:22 | 22 | M2.4 | – | – |
| 1981-01-25 | 16:46 | 16:47 | 11 | M2.4 | S13E75 | 2911 |
| 1981-01-28 | 15:44 | 15:56 | 58 | M2.2 | S16E73 | 2918 |
| 1981-01-31 | 11:30 | 11:35 | 10 | M2.1 | – | 2911 |
| 1981-01-25 | 23:48 | 23:49 | 7 | M1.9 | S15E95 | 2911 |
| 1981-01-28 | 02:05 | 02:15 | 64 | M1.7 | S13E54 | 2911 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
← December 1980February 1981 →
About this page
197 flares of class C or larger in January 1981; by M/X count it ranks 104 of 565 months.