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Solar flares in May 2005
C-class91
M-class13
X-class0
LargestM8.02005-05-13
Sunspot number65.4NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| May 2004 | 53 | 1 | 0 | M2.6 |
| May 2005 | 91 | 13 | 0 | M8.0 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2005-05-13 | 16:13 | 16:57 | 75 | M8.0 | N12E11 | 10759 |
| 2005-05-15 | 22:27 | 22:36 | 15 | M3.5 | S16E15 | 10763 |
| 2005-05-17 | 02:31 | 02:39 | 21 | M1.8 | S15W00 | 10763 |
| 2005-05-12 | 07:27 | 07:33 | 10 | M1.6 | N11E27 | 10759 |
| 2005-05-16 | 08:56 | 09:08 | 19 | M1.6 | S16E14 | 10763 |
| 2005-05-07 | 07:57 | 08:13 | 22 | M1.4 | S05W90 | 10756 |
| 2005-05-12 | 17:33 | 17:41 | 12 | M1.4 | N11E21 | 10759 |
| 2005-05-16 | 02:33 | 02:43 | 17 | M1.4 | S16E18 | 10763 |
| 2005-05-06 | 11:11 | 11:28 | 24 | M1.3 | S04W76 | 10756 |
| 2005-05-10 | 05:03 | 05:23 | 33 | M1.3 | S10W30 | 10758 |
| 2005-05-11 | 06:11 | 06:41 | 45 | M1.2 | S11W45 | 10758 |
| 2005-05-11 | 19:22 | 19:38 | 33 | M1.1 | S11W51 | 10758 |
| 2005-05-27 | 11:53 | 12:30 | 47 | M1.1 | S08E04 | 10767 |
| 2005-05-12 | 01:10 | 01:13 | 10 | C9.4 | N11E31 | 10759 |
| 2005-05-06 | 03:05 | 03:14 | 16 | C9.3 | S04W71 | 10756 |
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
104 flares of class C or larger in May 2005; by M/X count it ranks 210 of 565 months.