Solar Flare WatchHome › Flare history › 2020
Solar flares in May 2020
C-class2
M-class1
X-class0
LargestM1.12020-05-29
Sunspot number0.0NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| May 2019 | 16 | 3 | 0 | M1.5 |
| May 2020 | 2 | 1 | 0 | M1.1 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2020-05-29 | 07:13 | 07:24 | 13 | M1.1 | – | – |
| 2020-05-29 | 10:41 | 10:46 | 7 | C9.3 | – | – |
| 2020-05-29 | 14:18 | 14:22 | 8 | C1.0 | – | – |
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
3 flares of class C or larger in May 2020; by M/X count it ranks 444 of 565 months.