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Solar flares in May 1989
C-class202
M-class45
X-class2
LargestX2.41989-05-05
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| May 1988 | 103 | 8 | 0 | M6.0 |
| May 1989 | 202 | 45 | 2 | X2.4 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1989-05-05 | 07:23 | 07:39 | 192 | X2.4 | N30E01 | 5470 |
| 1989-05-03 | 03:26 | 03:54 | 85 | X2.3 | N27E32 | 5470 |
| 1989-05-30 | 01:11 | 01:14 | 9 | M6.6 | S20W79 | 5497 |
| 1989-05-22 | 00:02 | 00:24 | 131 | M5.7 | S21E16 | 5497 |
| 1989-05-01 | 01:08 | 01:10 | 7 | M5.5 | N28E60 | 5470 |
| 1989-05-04 | 11:06 | 11:31 | 34 | M5.4 | S20W36 | 5464 |
| 1989-05-04 | 03:13 | 04:22 | 88 | M4.4 | S19W29 | 5464 |
| 1989-05-06 | 16:55 | 17:02 | 50 | M4.2 | S31E59 | 5476 |
| 1989-05-28 | 12:09 | 12:26 | 41 | M4.0 | S19W75 | 5497 |
| 1989-05-30 | 07:12 | 07:21 | 46 | M3.8 | – | 5497 |
| 1989-05-29 | 04:27 | 04:30 | 7 | M3.3 | S17W76 | 5497 |
| 1989-05-02 | 18:28 | 18:55 | 191 | M3.0 | S12W12 | 5464 |
| 1989-05-21 | 17:50 | 18:01 | 37 | M3.0 | N22W32 | 5495 |
| 1989-05-04 | 08:19 | 08:22 | 9 | M2.8 | S19W31 | 5464 |
| 1989-05-24 | 21:34 | 21:50 | 63 | M2.8 | – | 5495 |
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
249 flares of class C or larger in May 1989; by M/X count it ranks 47 of 565 months.