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Solar flares in February 2004
C-class53
M-class2
X-class1
LargestX1.12004-02-26
Sunspot number75.6NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| February 2003 | 82 | 3 | 0 | M1.2 |
| February 2004 | 53 | 2 | 1 | X1.1 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2004-02-26 | 01:50 | 02:03 | 20 | X1.1 | N14W14 | 10564 |
| 2004-02-26 | 22:14 | 22:30 | 25 | M5.7 | N14W26 | 10564 |
| 2004-02-08 | 20:24 | 20:51 | 38 | M1.2 | S08E66 | 10554 |
| 2004-02-04 | 11:12 | 11:18 | 10 | C9.9 | S07W49 | 10547 |
| 2004-02-09 | 10:51 | 11:02 | 21 | C9.6 | S09E58 | 10554 |
| 2004-02-25 | 12:11 | 12:25 | 26 | C8.0 | N14W08 | 10564 |
| 2004-02-26 | 19:56 | 20:18 | 30 | C7.5 | N14W25 | 10564 |
| 2004-02-26 | 14:09 | 14:20 | 14 | C6.5 | N14W21 | 10564 |
| 2004-02-09 | 13:56 | 14:03 | 18 | C5.6 | S09E56 | 10554 |
| 2004-02-09 | 05:46 | 05:50 | 17 | C5.5 | S09E60 | 10554 |
| 2004-02-09 | 09:38 | 09:46 | 13 | C4.3 | S09E57 | 10554 |
| 2004-02-03 | 13:36 | 13:40 | 9 | C3.2 | S07E56 | 10551 |
| 2004-02-28 | 17:23 | 17:27 | 7 | C2.9 | N14W51 | 10564 |
| 2004-02-09 | 12:47 | 13:00 | 19 | C2.7 | S09E57 | 10554 |
| 2004-02-25 | 16:11 | 16:27 | 31 | C2.6 | N14W10 | 10564 |
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
56 flares of class C or larger in February 2004; by M/X count it ranks 359 of 565 months.