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Solar flares in April 2012
C-class79
M-class2
X-class0
LargestM1.72012-04-16
Sunspot number84.1NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| April 2011 | 103 | 3 | 0 | M1.8 |
| April 2012 | 79 | 2 | 0 | M1.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2012-04-16 | 17:24 | 17:45 | 36 | M1.7 | – | – |
| 2012-04-27 | 08:15 | 08:24 | 14 | M1.0 | N12W30 | 11466 |
| 2012-04-18 | 12:32 | 12:39 | 18 | C8.9 | S27W29 | 11463 |
| 2012-04-19 | 11:05 | 11:26 | 39 | C7.0 | – | – |
| 2012-04-30 | 10:37 | 10:41 | 6 | C6.0 | S24E59 | 11471 |
| 2012-04-18 | 14:51 | 15:13 | 27 | C5.9 | S28W30 | 11463 |
| 2012-04-30 | 10:21 | 10:26 | 11 | C5.6 | S24E59 | 11471 |
| 2012-04-18 | 16:54 | 17:06 | 24 | C5.2 | S18E36 | 11459 |
| 2012-04-09 | 12:12 | 12:44 | 56 | C3.9 | – | – |
| 2012-04-30 | 06:56 | 07:38 | 83 | C3.9 | – | – |
| 2012-04-24 | 07:38 | 07:45 | 22 | C3.7 | – | – |
| 2012-04-25 | 12:07 | 12:15 | 12 | C3.7 | N15W73 | 11460 |
| 2012-04-20 | 16:46 | 16:47 | 3 | C3.3 | S19E44 | 11465 |
| 2012-04-05 | 16:16 | 16:24 | 16 | C3.1 | N14W30 | 11450 |
| 2012-04-18 | 02:59 | 03:07 | 11 | C3.1 | S27W24 | – |
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
81 flares of class C or larger in April 2012; by M/X count it ranks 399 of 565 months.