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Solar flares in July 1981
C-class332
M-class69
X-class5
LargestX3.51981-07-26
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| July 1980 | 191 | 19 | 3 | X2.5 |
| July 1981 | 332 | 69 | 5 | X3.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-07-26 | 13:44 | 13:54 | 40 | X3.5 | S15E27 | 3234 |
| 1981-07-19 | 05:32 | 05:34 | 65 | X2.7 | S37W56 | 3204 |
| 1981-07-17 | 07:53 | 08:09 | 37 | X1.7 | – | 3221 |
| 1981-07-27 | 17:24 | 17:24 | 84 | X1.5 | S13E11 | 3234 |
| 1981-07-26 | 07:57 | 08:07 | 35 | X1.0 | S14W18 | 3234 |
| 1981-07-26 | 21:27 | 21:31 | 50 | M9.9 | S12E22 | 3234 |
| 1981-07-27 | 06:14 | 06:32 | 36 | M9.3 | S13E11 | 3234 |
| 1981-07-19 | 04:08 | 04:30 | 43 | M9.1 | S08E66 | 3221 |
| 1981-07-20 | 13:10 | 13:22 | 91 | M5.4 | S26W75 | 3204 |
| 1981-07-15 | 08:01 | 08:18 | 68 | M5.1 | S10W07 | 3203 |
| 1981-07-30 | 23:26 | 23:46 | 55 | M5.1 | S11W33 | 3234 |
| 1981-07-17 | 01:48 | 01:53 | 72 | M4.1 | S09W30 | 3203 |
| 1981-07-18 | 20:50 | 20:58 | 37 | M4.1 | – | 3221 |
| 1981-07-25 | 12:28 | 12:50 | 112 | M4.1 | S16W32 | 3234 |
| 1981-07-26 | 11:09 | 11:16 | 259 | M4.0 | S14E29 | 3234 |
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
406 flares of class C or larger in July 1981; by M/X count it ranks 19 of 565 months.