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X2.7 solar flare on 2015-05-05
ClassX2.7NOAA report
Peak22:112015-05-05 UTC
Duration10 min
Peak flux2.7e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 132 / 491 |
| Rank in year | 1 / 1407 |
| Other M/X flares that day | 4 |
| M/X flares that month | 6 |
| Solar cycle | Cycle 24 |
Compared with the strongest flares of 2015
X2.7
X2.2
M9.2
M8.2
M7.9
M6.6
M5.8
M5.6
M5.6
M5.5
M5.1
M4.9
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 09:42 | 09:47 | 9 | M1.9 | – | – | |
| 13:45 | 13:53 | 11 | M1.2 | N15E75 | 12339 | |
| 14:19 | 14:25 | 13 | M1.3 | S17E39 | 12335 | |
| 17:12 | 17:24 | 18 | M2.6 | S17E15 | 12335 |
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.
← X2.2 2015-03-11M6.6 2015-06-22 →
About this page
A X2.7 flare that began 2015-05-05 22:05 UTC; No. 1 of 1,407 C-class-or-larger flares in 2015.