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Solar flares in June 1981
C-class237
M-class23
X-class0
LargestM5.71981-06-29
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| June 1980 | 222 | 44 | 2 | X2.6 |
| June 1981 | 237 | 23 | 0 | M5.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-06-29 | 00:34 | 00:41 | 84 | M5.7 | S15E31 | 3180 |
| 1981-06-25 | 21:50 | 22:05 | 105 | M4.8 | N13W04 | 3170 |
| 1981-06-27 | 08:55 | 09:09 | 58 | M3.6 | – | 3178 |
| 1981-06-10 | 06:22 | 06:24 | 46 | M2.2 | N13E24 | 3152 |
| 1981-06-22 | 14:41 | 14:57 | 148 | M2.1 | N15E42 | 3170 |
| 1981-06-26 | 17:43 | 18:06 | 37 | M2.1 | N18E41 | 3178 |
| 1981-06-27 | 12:53 | 12:56 | 6 | M2.1 | – | 3180 |
| 1981-06-17 | 00:03 | 00:04 | 45 | M2.0 | S27W44 | 3157 |
| 1981-06-25 | 01:00 | 01:01 | 17 | M2.0 | N15E10 | 3170 |
| 1981-06-23 | 10:51 | 11:08 | 42 | M1.9 | – | 3170 |
| 1981-06-24 | 06:20 | 06:31 | 20 | M1.9 | N14E16 | 3170 |
| 1981-06-26 | 06:39 | 06:46 | 80 | M1.9 | N12W08 | 3170 |
| 1981-06-29 | 04:11 | 04:21 | 95 | M1.9 | N12W48 | 3170 |
| 1981-06-25 | 16:25 | 17:48 | 147 | M1.8 | N19E55 | 3178 |
| 1981-06-23 | 16:55 | 17:20 | 120 | M1.4 | N13E26 | 3170 |
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
260 flares of class C or larger in June 1981; by M/X count it ranks 138 of 565 months.