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X2.2 solar flare on 1980-06-04
ClassX2.2NOAA report
Peak23:011980-06-04 UTC
Duration17 min
Peak flux2.2e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 174 / 491 |
| Rank in year | 11 / 2460 |
| Other M/X flares that day | 2 |
| M/X flares that month | 46 |
| Solar cycle | Cycle 21 |
| Position on disk | S14W69 |
| Active region | AR 2478 (25 flares) |
Compared with the strongest flares of 1980
X9.0
X4.4
X3.9
X3.3
X3.3
X3.0
X2.7
X2.6
X2.5
X2.5
X2.2
X1.9
Other M/X flares that day
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.
← M6.7 1980-06-04M7.3 1980-06-07 →
About this page
A X2.2 flare that began 1980-06-04 22:57 UTC; No. 11 of 2,460 C-class-or-larger flares in 1980.