Solar Flare WatchHome › Flare history › 1990
Solar flares in January 1990
C-class143
M-class25
X-class0
LargestM6.91990-01-21
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| January 1989 | 143 | 95 | 7 | X2.3 |
| January 1990 | 143 | 25 | 0 | M6.9 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1990-01-21 | 04:29 | 04:44 | 69 | M6.9 | S11E22 | 5890 |
| 1990-01-20 | 13:23 | 13:30 | 42 | M5.6 | – | – |
| 1990-01-20 | 12:10 | 12:54 | 164 | M4.2 | S11E29 | 5890 |
| 1990-01-12 | 21:16 | 21:18 | 44 | M3.5 | N21E65 | 5882 |
| 1990-01-14 | 10:05 | 10:06 | 13 | M2.8 | N22E46 | 5882 |
| 1990-01-09 | 14:51 | 14:53 | 46 | M2.5 | S25W19 | 5871 |
| 1990-01-23 | 05:03 | 05:04 | 32 | M2.3 | S10E56 | 5900 |
| 1990-01-10 | 02:41 | 02:44 | 31 | M2.2 | S26W24 | 5871 |
| 1990-01-01 | 21:19 | 21:28 | 30 | M2.1 | N20W54 | 5854 |
| 1990-01-05 | 11:57 | 12:00 | 12 | M2.0 | S26W89 | 5867 |
| 1990-01-10 | 20:17 | 20:20 | 43 | M2.0 | S25W35 | 5871 |
| 1990-01-19 | 15:28 | 16:00 | 48 | M2.0 | S12E45 | 5890 |
| 1990-01-18 | 02:23 | 02:23 | 12 | M1.7 | S14E67 | 5890 |
| 1990-01-20 | 11:40 | 11:49 | 79 | M1.7 | N22W33 | 5882 |
| 1990-01-24 | 20:01 | 20:15 | 62 | M1.7 | S28W04 | 5892 |
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 1989February 1990 →
About this page
168 flares of class C or larger in January 1990; by M/X count it ranks 127 of 565 months.