Solar and geomagnetic data

Date Measured
solar flux
2.8 GHz
Sunspot number Planetary A index K indices
(3-hour intervals)
Solar wind
speed range
(km/s)
(SOHO)
Number
of flares
Magnetic
(SDO)
NOAA STAR
ap avg
Pots-
dam
WDC
Daily
ap range
Planetary
(WDC)
Boulder Andenes C M X
2K 1K
20201124 100.4 102 64 37 3.0 3 0-5 11001101 11121211 12001003 361-475 1    
20201123 95.5 96 65 38 7.1 7 3-12 23221122 23232211 22321244 460-593 1    
20201122 87.7 97 44 35 26.8 27 12-39 34445443 24444442 54454576 463-628 4    
20201121 85.0 40 25 23 11.3 11 3-22 22113334 22203333 21003456 314-461      
20201120 81.7 58 22 11 7.1 7 2-15 33221021 34231121 52123131 315-347 2    
20201119 76.7 49 22 11 2.1 2 0-6 00010002 00021111 00000003 291-312      
20201118 77.3 51 34 11 2.4 2 0-5 10100011 11211210 30000022 279-296      
20201117 79.1 76 35 11 2.0 2 0-4 00011001 01022111 00000003 284-314      
20201116 76.6 22 11 0 1.0 1 0-2 00000000 00102100 00000000 275-309      
20201115 78.7 27 0 0 2.3 2 0-7 22000100 12001210 32000000 280-321      
20201114 80.2 49 22 11 2.1 2 0-6 00001021 00101221 00000033 285-336      
20201113 81.9 30 23 24 2.9 3 0-5 11110001 11121100 10100002 323-391      
20201112 85.1 62 26 27 3.4 3 0-6 20211001 10231110 20000013 294-392 2    
20201111 88.1 42 26 25 2.8 3 0-7 00000112 00011212 00000224 284-337 1    
20201110 86.8 58 39 27 0.5 0 0-2 00000000 00000100 00000000 283-342 1    
20201109 90.0 67 27 27 0.0 0 0-0 00000000 00000100 00000000 296-365      
20201108 90.0 66 39 40 4.1 4 0-7 12211110 22311210 31210100 351-447 2    
20201107 90.6 109 65 37 6.5 6 2-15 11110233 10111222 20011445 364-506 2    
20201106 93.8 73 39 35 7.3 7 5-12 22122322 12222311 11122333 353-470 6    
20201105 90.7 92 48 28 3.1 3 0-7 00012112 00111222 00001003 282-347 9    
20201104 88.1 68 45 18 1.9 2 0-3 10000000 00001110 00001000 283-315 5    
20201103 82.9 24 18 15 1.8 2 0-6 20000001 11110111 20000002 290-346 1    
20201102 81.6 37 23 11 1.4 1 0-3 00100011 00111101 00000023 299-391      
20201101 77.3 14 11 12 8.0 8 2-15 01221321 12323331 10123353 311-405 2    
20201031 76.8 35 33 26 5.5 6 0-12 11322201 12432210 21233302 332-428      
20201030 79.6 38 29 32 4.1 4 0-9 21110012 22121212 42110035 350-408      
20201029 84.6 65 50 35 11.6 12 6-22 23332422 12343411 21233535 366-471 4    
20201028 87.6 63 41 36 10.4 10 5-18 23123332 24232332 23223464 483-528* 4    
20201027 82.4 76 32 22 7.4 7 2-15 21331022 22341221 51331034 459-557 5    
20201026 75.0 91 60 17 14.3 14 7-22 24333233 24433333 34435355 523-592      
20201025 74.2 82 42 11 13.9 14 4-27 31234342 31333332 51234564 477-570      

This page is normally updated once a day by Jan Alvestad. Solar wind speed is preliminary (* on days with too few measurements from SOHO-CELIAS/MTOF PM, measurements from DSCOVR are used). Ap and Kp values in red are based on the definitive Potsdam WDC data. Flare enhanced and erroneous solar flux measurements are replaced by other same day measurements (QC).

[Solar Terrestrial Activity Report]