Solar Flare WatchHome › Flare history › 2020
Solar flares in September 2020
C-class1
M-class0
X-class0
LargestC1.02020-09-26
Sunspot number0.8NOAA SWPC
Flares per day (C and above)
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2020-09-26 | 00:00 | 00:38 | 51 | 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
1 flares of class C or larger in September 2020; by M/X count it ranks 559 of 565 months.