Solar Flare Watch
🌐 English

Home › Flare history › 2002

Solar flares in October 2002

C-class220
M-class22
X-class1
LargestX1.22002-10-31
Sunspot number153.9NOAA SWPC

Flares per day (C and above)

daily1: 312: 83: 54: 185: 116: 667: 38: 89: 210: 411: 101112: 113: 414: 515: 816: 71617: 918: 1619: 1120: 1521: 112122: 523: 324: 425: 426: 22627: 928: 1329: 1530: 1431: 931

M/X flares per day

daily MX1: 012: 03: 14: 65: 26: 267: 08: 09: 010: 011: 01112: 013: 114: 015: 116: 01617: 018: 019: 020: 421: 02122: 123: 024: 025: 126: 02627: 028: 129: 130: 031: 231

Same month a year earlier

MonthCMXLargest
October 2001228324X1.6
October 2002220221X1.2

Top 15 flares

DateBeginPeakMinClassLocationRegion
2002-10-31 16:4716:528X1.2––
2002-10-05 20:4221:0026M5.9N14E3110139
2002-10-04 05:3405:387M4.0S19W0910137
2002-10-04 10:5411:0515M3.5S20W1010137
2002-10-04 22:3222:4319M2.7N13E4310139
2002-10-06 04:4604:517M2.4N12E3110139
2002-10-13 23:4200:1086M2.2S13E7510159
2002-10-03 02:1502:2111M2.1S19E0610137
2002-10-20 00:3200:4539M1.8N27E6110162
2002-10-20 14:2114:2814M1.8S19W2310160
2002-10-28 12:0012:0511M1.7N23W6110162
2002-10-20 03:3103:3929M1.5N26E5810162
2002-10-25 17:2317:4759M1.5N28W1110162
2002-10-04 12:4312:5524M1.2N08E4910139
2002-10-04 17:0417:1111M1.2S21W1610137
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.

← September 2002November 2002 →

About this page

243 flares of class C or larger in October 2002; by M/X count it ranks 142 of 565 months.