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Solar flares in March 2023
C-class164
M-class20
X-class2
LargestX2.02023-03-03
Sunspot number108.6NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| March 2022 | 132 | 14 | 1 | X1.3 |
| March 2023 | 164 | 20 | 2 | X2.0 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2023-03-03 | 17:39 | 17:52 | 21 | X2.0 | – | – |
| 2023-03-29 | 02:18 | 02:33 | 21 | X1.2 | – | – |
| 2023-03-06 | 02:08 | 02:28 | 26 | M5.8 | – | – |
| 2023-03-30 | 07:24 | 07:37 | 18 | M5.4 | – | – |
| 2023-03-04 | 15:19 | 15:57 | 66 | M5.2 | – | – |
| 2023-03-05 | 21:29 | 21:36 | 11 | M5.0 | – | – |
| 2023-03-02 | 20:59 | 21:16 | 25 | M3.8 | – | – |
| 2023-03-03 | 10:08 | 10:32 | 40 | M3.2 | – | – |
| 2023-03-05 | 02:40 | 02:52 | 22 | M1.3 | – | – |
| 2023-03-06 | 08:57 | 09:12 | 39 | M1.3 | – | – |
| 2023-03-08 | 22:35 | 22:44 | 16 | M1.3 | – | – |
| 2023-03-04 | 13:34 | 13:42 | 12 | M1.2 | – | – |
| 2023-03-20 | 01:19 | 01:48 | 66 | M1.2 | – | – |
| 2023-03-29 | 13:47 | 14:07 | 27 | M1.2 | – | – |
| 2023-03-08 | 09:53 | 10:12 | 52 | M1.1 | – | – |
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
186 flares of class C or larger in March 2023; by M/X count it ranks 152 of 565 months.