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
STAR SEC STAR SEC Daily low - high Planetary Boulder C M X
20030331 160.1 168 165 32.8 31 13-69 33346644 32445534 459-647 4    
20030330 154.5 180 176 26.8 26 15-51 45333345 44334434 425-663 3    
20030329 155.1 168 155 28.0 27 12-46 55434434 45422334 366-478 8    
20030328 146.9 190 189 25.1 24 9-45 54523445 54422424 456-538      
20030327 141.1 139 156 27.8 27 10-48 52544533 42543433 405-549 7    
20030326 127.2 120 116 9.9 8 5-14 13232223 14222213 349-430 1    
20030325 108.8 109 89 7.4 6 4-10 22212222 12212112 359-464      
20030324 97.8 82 64 10.0 10 6-26 32432222 22331111 461-642 2    
20030323 93.0 26 43 23.6 24 8-63 42464332 42453332 565-713 2    
20030322 89.0 26 40 16.0 16 10-21 34443323 34333223 559-714 3    
20030321 91.0 11 40 29.6 29 13-50 55454334 55454234 609-755 2    
20030320 97.4 50 45 22.6 21 4-36 13354444 23334433 578-813 1 1  
20030319 108.2 50 53 14.8 14 8-25 44333332 34322322 578-770 16 5  
20030318 118.4 57 64 26.5 26 11-46 44454333 44344323 627-834 10 2 1
20030317 124.4 53 80 40.8 39 12-73 34646445 34545435 602-831 7   1
20030316 128.6 83 121 23.9 23 9-42 33254454 22244343 583-747 6    
20030315 130.7 124 124 23.9 24 15-45 54444343 54343333 571-702 3    
20030314 138.9 103 114 25.5 25 10-63 22446343 22434343 468-667      
20030313 134.2 103 88 15.6 15 9-27 43334332 43334222 427-509 1    
20030312 138.0 55 109 9.9 9 7-15 22223333 22213323 401-552      
20030311 141.5 97 142 13.6 13 6-20 32433332 32333422 365-501 1    
20030310 143.7 106 214 16.9 16 6-28 23334334 13234213 371-428 2    
20030309 152.7 129 224 11.5 11 4-22 24312233 24421323 370-440 5    
20030308 148.3 116 203 9.4 9 4-18 11213332 22213432 393-451 2    
20030307 149.9 162 191 13.9 14 10-20 33342233 34332232 420-552      
20030306 150.3 101 132 26.4 25 15-42 44445333 43433333 462-569      
20030305 148.5 124 138 16.6 16 10-23 32344333 32343433 441-556      
20030304 146.0 159 147 27.0 26 12-41 44545433 43444323 419-572      
20030303 149.1 123 134 16.9 15 5-29 31233444 32323443 350-501 1    
20030302 133.3 125 67 14.5 14 10-20 23334333 13333233 351-426 5    
20030301 138.1 97 73 13.9 14 3-26 41133333 41133333 377-449 8    

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

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