Solar Flare WatchHome › Flare history › 2007
Solar flares in April 2007
C-class1
M-class0
X-class0
LargestC2.82007-04-24
Sunspot number6.9NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| April 2006 | 24 | 4 | 0 | M7.9 |
| April 2007 | 1 | 0 | 0 | C2.8 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2007-04-24 | 22:43 | 22:56 | 23 | C2.8 | – | 10953 |
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 April 2007; by M/X count it ranks 515 of 565 months.