Solar Flare WatchHome › Flare history › 2022
Solar flares in May 2022
C-class243
M-class20
X-class2
LargestX1.52022-05-10
Sunspot number92.4NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| May 2021 | 38 | 4 | 0 | M3.9 |
| May 2022 | 243 | 20 | 2 | X1.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2022-05-10 | 13:50 | 13:55 | 8 | X1.5 | – | – |
| 2022-05-03 | 13:09 | 13:25 | 21 | X1.1 | – | – |
| 2022-05-04 | 08:45 | 08:59 | 24 | M5.7 | – | – |
| 2022-05-19 | 07:00 | 07:19 | 30 | M5.6 | – | – |
| 2022-05-04 | 00:08 | 00:19 | 16 | M5.3 | – | – |
| 2022-05-20 | 07:35 | 07:45 | 12 | M3.0 | – | – |
| 2022-05-05 | 14:02 | 14:10 | 11 | M2.7 | – | – |
| 2022-05-11 | 18:13 | 18:58 | – | M2.6 | – | – |
| 2022-05-16 | 13:10 | 13:27 | 33 | M2.4 | – | – |
| 2022-05-05 | 13:08 | 13:16 | 13 | M2.2 | – | – |
| 2022-05-11 | 19:27 | 19:31 | 7 | M2.2 | – | – |
| 2022-05-14 | 23:58 | 00:08 | 18 | M2.2 | – | – |
| 2022-05-04 | 20:09 | 20:27 | 26 | M1.6 | – | – |
| 2022-05-11 | 16:35 | 16:49 | 22 | M1.6 | – | – |
| 2022-05-04 | 19:40 | 19:48 | 22 | M1.5 | – | – |
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
265 flares of class C or larger in May 2022; by M/X count it ranks 151 of 565 months.