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Solar flares in March 1987
C-class5
M-class0
X-class0
LargestC5.51987-03-13
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| March 1986 | 11 | 2 | 0 | M1.6 |
| March 1987 | 5 | 0 | 0 | C5.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1987-03-13 | 21:25 | 21:26 | 27 | C5.5 | S35E90 | 4779 |
| 1987-03-24 | 03:00 | 03:06 | 10 | C4.6 | S31W90 | – |
| 1987-03-08 | 18:34 | 19:28 | 120 | C1.9 | N06W51 | 4778 |
| 1987-03-28 | 03:03 | 03:08 | 14 | C1.2 | – | – |
| 1987-03-11 | 04:06 | 04:16 | 16 | C1.1 | – | 4778 |
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
5 flares of class C or larger in March 1987; by M/X count it ranks 477 of 565 months.