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Solar flares in March 2019
C-class32
M-class0
X-class0
LargestC8.72019-03-21
Sunspot number9.1NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| March 2018 | 4 | 0 | 0 | C7.1 |
| March 2019 | 32 | 0 | 0 | C8.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2019-03-21 | 03:08 | 03:12 | 7 | C8.7 | – | – |
| 2019-03-20 | 11:03 | 11:18 | 29 | C7.5 | – | – |
| 2019-03-22 | 07:53 | 08:01 | 11 | C4.4 | – | – |
| 2019-03-21 | 16:40 | 17:21 | 64 | C4.2 | – | – |
| 2019-03-22 | 00:26 | 00:34 | 12 | C3.3 | – | – |
| 2019-03-21 | 14:40 | 14:44 | 7 | C2.5 | – | – |
| 2019-03-22 | 20:12 | 20:23 | 21 | C2.3 | – | – |
| 2019-03-08 | 03:01 | 03:18 | – | C2.1 | – | – |
| 2019-03-22 | 08:13 | 08:19 | 9 | C2.1 | – | – |
| 2019-03-08 | 03:29 | 03:37 | 15 | C1.9 | – | – |
| 2019-03-21 | 02:48 | 03:00 | 16 | C1.9 | – | – |
| 2019-03-22 | 10:12 | 10:19 | 13 | C1.6 | – | – |
| 2019-03-21 | 21:01 | 21:13 | 16 | C1.5 | – | – |
| 2019-03-22 | 00:44 | 01:00 | 22 | C1.5 | – | – |
| 2019-03-22 | 21:08 | 21:19 | 18 | C1.5 | – | – |
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
32 flares of class C or larger in March 2019; by M/X count it ranks 556 of 565 months.