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Solar flares in May 1985
C-class15
M-class2
X-class0
LargestM4.91985-05-02
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| May 1984 | 253 | 23 | 3 | X10.1 |
| May 1985 | 15 | 2 | 0 | M4.9 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1985-05-02 | 07:41 | 07:45 | 12 | M4.9 | – | 4647 |
| 1985-05-13 | 09:04 | 09:36 | 44 | M1.0 | – | 4652 |
| 1985-05-21 | 09:53 | 09:57 | 19 | C3.8 | N01E27 | 4656 |
| 1985-05-19 | 20:52 | 20:54 | 7 | C3.5 | N05E46 | 4656 |
| 1985-05-02 | 05:54 | 05:58 | 6 | C3.3 | – | – |
| 1985-05-01 | 14:30 | 14:31 | 21 | C2.7 | N03W73 | 4647 |
| 1985-05-13 | 18:19 | 18:27 | 72 | C2.1 | S14W01 | 4652 |
| 1985-05-14 | 00:11 | 00:26 | 116 | C2.0 | S14W03 | 4652 |
| 1985-05-16 | 06:30 | 06:37 | 37 | C1.9 | S11W32 | 4652 |
| 1985-05-21 | 04:11 | 04:17 | 39 | C1.9 | N06E24 | 4656 |
| 1985-05-19 | 17:11 | 17:37 | 38 | C1.7 | – | – |
| 1985-05-24 | 11:26 | 11:31 | 16 | C1.5 | N03W20 | 4656 |
| 1985-05-07 | 08:05 | 08:07 | 6 | C1.4 | S11E85 | 4652 |
| 1985-05-07 | 19:48 | 20:04 | 34 | C1.3 | – | 4652 |
| 1985-05-11 | 05:48 | 06:04 | 28 | C1.3 | – | – |
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
17 flares of class C or larger in May 1985; by M/X count it ranks 382 of 565 months.