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M6.9 solar flare on 2026-08-25
ClassM6.9GOES-18 science data
Peak10:022026-08-25 UTC
Duration41 min
Peak flux6.9e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 21 / 1764 |
| Other M/X flares that day | 3 |
| M/X flares that month | 13 |
| Solar cycle | Cycle 25 |
Compared with the strongest flares of 2026
X8.1
X4.2
X2.8
X2.5
X2.4
X1.9
X1.6
X1.5
X1.4
X1.2
X1.1
X1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 01:04 | 01:26 | 36 | M1.9 | – | – | |
| 03:55 | 04:02 | 12 | M1.0 | – | – | |
| 06:30 | 06:40 | 16 | M1.8 | – | – |
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.
← M8.1 2026-08-20M6.7 2026-10-08 →
About this page
A M6.9 flare that began 2026-08-25 09:32 UTC; No. 21 of 1,764 C-class-or-larger flares in 2026.