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Solar flares in July 2021
C-class21
M-class3
X-class1
LargestX1.52021-07-03
Sunspot number35.9NOAA SWPC
Flares per day (C and above)
M/X flares per day
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2021-07-03 | 14:18 | 14:29 | 15 | X1.5 | – | – |
| 2021-07-03 | 07:04 | 07:17 | 17 | M2.7 | – | – |
| 2021-07-04 | 05:01 | 05:09 | 13 | M1.5 | – | – |
| 2021-07-03 | 16:59 | 17:03 | 14 | M1.0 | – | – |
| 2021-07-09 | 10:31 | 10:50 | 26 | C7.0 | – | – |
| 2021-07-09 | 07:30 | 07:55 | 32 | C6.0 | – | – |
| 2021-07-03 | 02:14 | 02:31 | 24 | C5.7 | – | – |
| 2021-07-09 | 17:15 | 17:25 | 14 | C4.7 | – | – |
| 2021-07-23 | 23:54 | 00:33 | 67 | C4.3 | – | – |
| 2021-07-04 | 03:26 | 03:36 | 17 | C2.1 | – | – |
| 2021-07-04 | 01:34 | 01:49 | 39 | C2.0 | – | – |
| 2021-07-03 | 04:58 | 05:08 | 25 | C1.9 | – | – |
| 2021-07-03 | 12:55 | 13:11 | 26 | C1.9 | – | – |
| 2021-07-04 | 17:57 | 18:13 | 20 | C1.7 | – | – |
| 2021-07-05 | 18:37 | 18:43 | 15 | C1.7 | – | – |
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
25 flares of class C or larger in July 2021; by M/X count it ranks 341 of 565 months.