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
20030930 133.0 140 116 8.6 7 7-12 22233222 11221112 275-364 11    
20030929 135.1 135 108 7.4 7 5-12 22133221 22121112 275-375 10    
20030928 137.0 150 139 7.6 6 5-11 21232221 01122111 346-441 4    
20030927 129.7 149 137 10.0 9 6-17 32232222 30112222 439-546 2    
20030926 131.1 155 127 17.9 17 11-31 33443333 43543443 531-652 2    
20030925 132.6 140 122 28.8 28 18-48 44554443 44554433 586-787 2    
20030924 133.5 136 121 34.1 33 21-54 55544444 54443444 506-751 12    
20030923 124.9 131 133 17.1 17 13-22 34333343 24323233 467-549 1    
20030922 121.6 101 91 18.9 18 10-29 34444342 24343342 496-642      
20030921 119.9 87 64 21.3 21 11-37 43445433 43434422 475-671 5    
20030920 111.9 67 72 25.4 25 10-37 44544432 56544432 580-865 8    
20030919 111.1 91 71 33.3 32 16-55 44555443 44544433 595-874 2    
20030918 109.2 97 92 40.4 40 24-69 46564445 45454444 753-965 2    
20030917 105.9 86 83 61.4 61 32-129 55577445 55555545 484-895 3    
20030916 99.3 89 89 39.3 37 8-101 43556542 54555532 349-562 4 1  
20030915 97.3 72 68 7.9 6 5-12 21122223 21002032 347-383 6    
20030914 94.7 63 58 8.4 7 5-12 21222322 21223221 360-475 2    
20030913 96.1 47 57 12.1 11 7-18 33332222 33333211 450-597 1    
20030912 94.4 57 58 12.4 11 8-18 33333322 33222211 551-630      
20030911 96.7 45 55 16.5 15 6-38 45233333 45233332 561-743 2    
20030910 99.3 71 42 19.5 19 6-33 42343343 42243443 569-808      
20030909 95.9 37 43 20.0 19 7-32 22344344 32344345 444-717      
20030908 98.8 32 58 10.4 9 5-19 21223333 11123334 363-487      
20030907 107.8 26 54 10.4 10 5-13 33123333 22222321 387-549 3    
20030906 104.9 55 60 13.3 12 9-17 32333332 32332432 548-651      
20030905 108.0 55 57 17.0 16 7-23 34344332 34333322 563-765 1    
20030904 112.2 57 79 19.3 19 15-27 33443334 34343344 524-778 1    
20030903 110.5 81 59 17.4 17 13-26 33343334 44343333 467-567      
20030902 105.7 60 90 13.0 12 4-29 32124333 31224323 467-612      
20030901 108.1 88 59 16.1 14 5-32 24412333 24422323 361-582      

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

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