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Solar flares in October 2026
C-class31
M-class4
X-class0
LargestM6.72026-10-08
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| October 2025 | 175 | 34 | 0 | M4.8 |
| October 2026 | 31 | 4 | 0 | M6.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2026-10-08 | 15:29 | 15:48 | 29 | M6.7 | – | – |
| 2026-10-06 | 07:47 | 08:05 | 26 | M1.8 | – | – |
| 2026-10-06 | 05:38 | 06:10 | 73 | M1.4 | – | – |
| 2026-10-05 | 18:36 | 18:48 | 21 | M1.0 | – | – |
| 2026-10-07 | 12:49 | 13:17 | 55 | C7.9 | – | – |
| 2026-10-06 | 07:18 | 07:25 | 13 | C5.5 | – | – |
| 2026-10-06 | 02:36 | 02:47 | 16 | C5.3 | – | – |
| 2026-10-09 | 05:27 | 05:39 | 23 | C4.0 | – | – |
| 2026-10-06 | 14:59 | 15:06 | 11 | C3.6 | – | – |
| 2026-10-08 | 22:33 | 22:44 | 20 | C3.5 | – | – |
| 2026-10-09 | 06:39 | 06:48 | 14 | C2.9 | – | – |
| 2026-10-06 | 21:23 | 21:36 | 17 | C2.4 | – | – |
| 2026-10-06 | 19:48 | 19:52 | 6 | C2.1 | – | – |
| 2026-10-08 | 20:21 | 20:27 | 10 | C2.1 | – | – |
| 2026-10-06 | 19:17 | 19:21 | 8 | C2.0 | – | – |
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.
About this page
35 flares of class C or larger in October 2026; by M/X count it ranks 343 of 565 months.