Solar and geomagnetic data (last month)

Date Solar flux Sunspot number Planetary A index K indices
(3-hour intervals)
Min-max solar wind speed (km/sec) Number of flares (events)
STAR SEC STAR SEC Daily low - high Planetary Boulder C M X
20030831 109.7 105 101 8.8 7 5-14 22223222 23223222 374-511 1    
20030830 114.0 116 120 17.6 17 10-37 45333332 45333432 485-641 2    
20030829 116.3 145 132 15.6 15 4-28 12143443 22243443 427-677 1    
20030828 118.7 164 146 18.6 18 13-28 34443333 34443433 400-489 3    
20030827 125.7 176 116 14.1 13 7-23 22343333 22343433 418-532 5    
20030826 120.8 150 124 14.6 14 3-21 32143433 32244543 471-572 1    
20030825 116.5 120 146 22.3 21 11-48 44533333 44533333 552-749 1    
20030824 116.4 136 132 24.5 24 12-40 34554343 34445433 550-766 1    
20030823 120.5 137 125 44.9 44 19-109 45755344 56555434 673-877      
20030822 120.9 121 126 44.3 43 19-70 55556543 65544433 749-944 1    
20030821 119.2 101 86 56.9 53 25-122 45756555 45745545 507-864 2    
20030820 111.8 106 62 15.6 15 6-25 23423334 23423434 386-561      
20030819 116.7 61 77 21.6 21 10-67 64332333 54333333 391-511 5 2  
20030818 115.9 106 104 89.0 86 45-192 56876655 55775445 444-636 4    
20030817 119.3 126 113 15.6 15 1-41 21014445 21114434 444-558 2    
20030816 126.9 102 92 11.9 11 6-16 33233332 33234322 462-565 4    
20030815 131.4 109 86 14.9 14 8-21 32323443 33323343 501-645 9    
20030814 129.7 95 108 18.5 18 7-26 34423344 44422334 540-570 4    
20030813 130.8 100 112 17.8 17 8.39 35323243 45323333 559-674 7    
20030812 123.3 130 114 25.9 25 15-42 45543433 45443433 583-769 5    
20030811 129.2 117 118 11.1 11 6-23 22222234 22222334 474-674      
20030810 131.1 128 112 13.0 12 8-24 43232232 43232322 552-658 3    
20030809 130.0 140 107   15   33443333 33433323 597-844      
20030808 132.9 139 111   32   55543433 65443443 569-865 2    
20030807 137.0 126 121   15   22123454 22223444 467-683 2    
20030806 128.7 133 155   43   66754332 56753232 460-564 1    
20030805 130.6 152 136   9   32112333 42212223 438-470 2 1  
20030804 122.5 143 138   14   22441244 23442334 462-570      
20030803 120.0 130 144   15   34333333 34333323 547-753 6    
20030802 111.4 123 95   21   44433344 44434443 718-798 5 1  
20030801 107.3 90 85   37   55555335 55545434 758-830 9    

This page is normally updated once a day by Jan Alvestad. All values are preliminary.

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