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Solar flares in February 2021

C-class2
M-class0
X-class0
LargestC3.92021-02-28
Sunspot number8.4NOAA SWPC

Flares per day (C and above)

daily1: 012: 03: 04: 05: 06: 067: 08: 09: 010: 011: 01112: 013: 014: 015: 016: 01617: 018: 019: 020: 021: 02122: 023: 024: 025: 026: 02627: 128: 1

Top 15 flares

DateBeginPeakMinClassLocationRegion
2021-02-28 06:4006:4610C3.9––
2021-02-27 17:5118:0013C2.7––
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.

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About this page

2 flares of class C or larger in February 2021; by M/X count it ranks 563 of 565 months.