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
20040930 88.2 22 36 4.9 4 1-8 21001222 11002111 342-376      
20040929 89.8 57 22 6.4 5 2-11 10112223 10113321 354-417      
20040928 89.9 22 22 9.1 8 5-15 22321123 22333332 351-398      
20040927 89.8 11 22 6.4 5 2-11 11012231 10012321 327-385      
20040926 89.5 22 22 5.4 4 3-8 11211222 11212111 331-364      
20040925 89.5 22 24 6.1 5 1-11 01022322 10033211 357-385      
20040924 89.4 11 15 7.9 6 3-14 32122222 22121221 376-441      
20040923 90.2 14 19 14.3 12 6-34 44222222 44222222 425-458 1    
20040922 91.4 18 24 17.0 16 4-40 11335443 11335423 399-567 1    
20040921 94.9 21 33 10.6 9 7-18 23322222 24322212 373-450 1    
20040920 100.5 48 59 14.0 13 4-33 31433222 31433211 352-450 2    
20040919 105.2 65 42 6.4 5 3-12 11112223 10111113 348-465 2 1  
20040918 102.7 42 50 17.1 16 5-44 55133212 65243212 413-494 1    
20040917 104.5 70 76 21.1 20 12-36 54433334 55432224 449-552      
20040916 108.3 84 80 18.8 17 14-25 33444333 33444423 532-635      
20040915 109.6 79 67 15.3 14 9-29 43233332 43122312 542-677 4    
20040914 114.7 73 70 28.5 28 19-45 44454344 44443333 526-694 4 1  
20040913 117.7 69 65 9.6 8 1-24 21012234 11011334 280-598 3    
20040912 114.6 76 85 5.1 4 1-8 11002222 21011211 277-335 2 1  
20040911 116.4 75 87 6.4 6 1-11 20013232 00002211 272-341 1 1  
20040910 130.0 78 87 6.3 5 3-9 21122222 10122211 271-445 7    
20040909 131.0 92 82 5.8 4 2-9 11012122 12122122 345-358 3    
20040908 124.5 94 85 10.1 9 6-20 23423222 23422221 349-456 3    
20040907 118.9 77 95 16.1 16 7-31 34443323 44442222 412-495 2    
20040906 106.5 67 82 14.4 14 8-20 22443323 22343322 347-474      
20040905 103.2 46 59 8.5 7 3-14 11222332 11322332 285-429      
20040904 99.3 38 28 4.5 4 2-8 11012221 00111011 289-351      
20040903 96.7 31 25 4.3 3 2-6 21101211 12121010 339-452      
20040902 93.9 11 25 9.8 9 8-13 22332223 22332112 446-495      
20040901 89.9 12 12 10.0 9 5-15 31222333 31223212 453-561      

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

[DX-Listeners' Club] [Solar Terrestrial Activity Report]