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Solar flares in March 2005
C-class21
M-class0
X-class0
LargestC7.32005-03-10
Sunspot number41.0NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| March 2004 | 97 | 5 | 0 | M2.3 |
| March 2005 | 21 | 0 | 0 | C7.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2005-03-10 | 11:36 | 11:42 | 8 | C7.3 | N12W07 | 10741 |
| 2005-03-20 | 01:32 | 01:59 | 36 | C4.1 | S07W90 | 10742 |
| 2005-03-21 | 15:40 | 15:47 | 12 | C2.7 | N13E62 | 10745 |
| 2005-03-19 | 06:56 | 07:07 | 15 | C2.3 | S09W52 | 10743 |
| 2005-03-19 | 20:12 | 20:23 | 20 | C2.2 | S07W90 | 10742 |
| 2005-03-20 | 11:42 | 11:52 | 12 | C2.1 | – | 10743 |
| 2005-03-15 | 06:40 | 06:47 | 29 | C2.0 | N11W71 | 10741 |
| 2005-03-09 | 02:28 | 02:41 | 32 | C1.8 | N14E18 | 10741 |
| 2005-03-12 | 08:36 | 09:06 | 41 | C1.7 | N14W30 | 10741 |
| 2005-03-13 | 15:07 | 15:17 | 17 | C1.5 | S05W07 | 10742 |
| 2005-03-18 | 02:26 | 02:35 | 11 | C1.3 | S09W34 | 10743 |
| 2005-03-11 | 00:30 | 00:51 | 33 | C1.2 | N13W12 | 10741 |
| 2005-03-13 | 08:02 | 08:18 | 24 | C1.2 | N14W43 | 10741 |
| 2005-03-20 | 06:09 | 06:14 | 7 | C1.2 | S10W65 | 10743 |
| 2005-03-05 | 19:57 | 20:07 | 13 | C1.1 | N14E62 | 10741 |
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
21 flares of class C or larger in March 2005; by M/X count it ranks 503 of 565 months.