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Solar flares in October 1988
C-class179
M-class18
X-class3
LargestX3.21988-10-03
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| October 1987 | 24 | 2 | 0 | M1.7 |
| October 1988 | 179 | 18 | 3 | X3.2 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1988-10-03 | 14:53 | 15:11 | 49 | X3.2 | S27W16 | 5171 |
| 1988-10-12 | 04:57 | 05:02 | 73 | X2.5 | S20W66 | 5175 |
| 1988-10-03 | 23:22 | 23:34 | 57 | X1.1 | S27W20 | 5171 |
| 1988-10-13 | 20:30 | 20:34 | 18 | M6.4 | S20W88 | 5175 |
| 1988-10-27 | 18:37 | 18:40 | 33 | M3.9 | S19E88 | 5212 |
| 1988-10-05 | 06:21 | – | 11 | M3.3 | S23W36 | 5171 |
| 1988-10-10 | 18:03 | 18:23 | 50 | M2.7 | S19W47 | 5175 |
| 1988-10-17 | 04:10 | 04:11 | 6 | M2.3 | N19E88 | 5200 |
| 1988-10-17 | 16:08 | 16:09 | 6 | M2.0 | N20E84 | 5200 |
| 1988-10-03 | 13:22 | 13:26 | 17 | M1.9 | S28W15 | 5171 |
| 1988-10-04 | 12:26 | 12:38 | 28 | M1.9 | – | – |
| 1988-10-01 | 07:23 | 07:27 | 9 | M1.8 | N22W75 | 5162 |
| 1988-10-06 | 01:24 | 01:28 | 26 | M1.6 | S27W46 | 5171 |
| 1988-10-18 | 00:33 | 00:38 | 43 | M1.6 | N18E77 | 5200 |
| 1988-10-12 | 12:07 | 12:12 | 9 | M1.4 | – | – |
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.
← September 1988November 1988 →
About this page
200 flares of class C or larger in October 1988; by M/X count it ranks 155 of 565 months.