Solar and geomagnetic data (last month)

Date Solar flux at Earth 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
20080331 79.2 30 45 3.6 4 0-6 20021112 10022211 351-454      
20080330 80.5 41 41 8.5 8 3-22 42222112 42322112 440-551      
20080329 82.6 42 50 8.1 8 5-12 23222123 23323223 476-603      
20080328 82.9 48 63 21.4 21 12-39 54444333 54444333 563-719      
20080327 84.8 51 57 30.6 31 9-67 65433245 54432334 541-701      
20080326 81.6 60 63 26.8 27 4-48 11445454 12545444 346-586      
20080325 88.6 65 52 3.5 4 0-7 00011222 11012222 342-409   1  
20080324 79.4 48 35 3.9 4 2-5 11101111 02112201 386-455      
20080323 72.0 26 14 8.5 8 3-18 33321111 33322211 395-508      
20080322 69.6 0 0 4.8 5 2-12 10111113 10222222 368-443      
20080321 68.2 0 0 5.1 5 2-7 21011222 21122112 416-508      
20080320 68.4 0 0 8.4 8 4-27 21114222 22324321 444-562      
20080319 69.6 0 0 7.0 6 2-15 01113312 01213312 436-532      
20080318 69.6 0 0 7.5 8 0-22 34111101 34222211 447-487      
20080317 69.8 0 11 4.0 4 0-9 20001221 21111221 439-550      
20080316 70.3 11 12 4.9 5 0-9 22101112 22212221 504-566      
20080315 69.5 11 12 10.8 11 4-27 33143211 23243211 537-639      
20080314 69.9 0 0 12.6 13 6-22 23322433 32332323 560-617      
20080313 69.5 0 0 13.8 14 7-27 23244332 23343321 506-660      
20080312 69.4 0 0 13.6 14 4-32 24421142 24431233 577-724      
20080311 70.2 0 0 12.4 12 5-22 31424312 32424211 572-718      
20080310 70.3 0 12 17.8 18 9-22 44234234 43343233 570-712      
20080309 69.5 0 0 24.9 25 7-56 45533224 44533323 420-685      
20080308 69.8 0 0 11.0 11 0-27 00114431 00224430 301-446      
20080307 70.5 0 0 3.4 3 2-5 11101111 01211100 287-362      
20080306 70.3 11 12 2.3 2 0-6 00001201 10001200 350-421      
20080305 69.3 13 13 7.9 8 5-12 11233212 12333321 379-434      
20080304 68.3 0 0 3.9 4 0-7 12211101 12322210 378-472      
20080303 68.4 0 0 5.4 5 2-12 32121110 33122211 455-576      
20080302 69.3 0 0 7.8 8 5-12 22322212 23332322 564-724      
20080301 68.6 0 0 18.9 19 9-48 54333332 53433332 619-760      

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

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