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
20050831 84.0 46 48 36.0 36 7-94 22235665 23334554 332-550 1    
20050830 86.0 54 68 4.4 4 0-12 10001132 00100032 340-389 1    
20050829 89.2 63 88 8.6 9 4-27 24212111 34311111 354-425 3    
20050828 89.8 69 99 6.6 7 2-15 22011123 13122113 358-446   1  
20050827 92.1 72 91 6.6 7 4-12 31222211 31222221 371-531 1    
20050826 93.2 57 57 11.4 11 6-22 34422222 34421221 463-587 3    
20050825 92.4 64 76 24.4 24 9-56 54334532 54334422 573-777   1  
20050824 98.6 72 87 109.9 110 12-400 33798565 33677544 414-797 3    
20050823 106.9 81 55 9.0 9 5-12 32222322 33223322 419-557 6 1  
20050822 104.9 80 85 11.8 12 5-22 34122333 22222431 441-588   2  
20050821 98.5 103 77 8.0 8 4-22 11112422 22222431 349-565 1    
20050820 98.1 80 74 5.0 5 2-7 21102222 21112212 380-463      
20050819 93.1 98 61 7.3 7 4-12 21232212 32233103 459-593      
20050818 82.7 90 42 16.3 16 9-27 33443233 43442223 579-760      
20050817 77.0 29 42 17.5 18 9-27 44323334 43333324 592-771      
20050816 75.8 35 48 18.9 19 12-27 34443333 34243323 554-799      
20050815 75.8 43 49 7.6 8 3-15 11112323 12212213 336-566      
20050814 74.8 45 34 10.5 10 6-22 44222222 34212222 377-554      
20050813 75.4 50 33 15.6 16 6-32 34233233 34333233 346-588      
20050812 76.2 58 47 6.4 6 4-12 11112223 11123212 345-357      
20050811 75.9 38 35 5.5 6 3-7 11212222 21222222 347-450      
20050810 76.3 36 34 22.5 22 6-56 32455322 31455422 418-492      
20050809 82.5 61 51 9.9 10 6-12 33222233 33223223 443-686      
20050808 86.4 57 56 8.5 8 4-15 22312213 33313223 453-605      
20050807 92.3 62 67 18.1 18 7-39 35442223 34442223 560-907 1    
20050806 93.4 54 54 33.9 34 15-48 55554343 45444443 451-803      
20050805 98.8 59 74 9.1 9 4-18 22112333 22221333 372-569 2    
20050804 106.1 74 85 14.0 14 7-27 33432223 32333313 361-461 3    
20050803 108.9 82 102 10.8 11 4-18 23212333 23312223 434-580 3 1  
20050802 110.2 89 112 11.8 12 6-18 33233222 33233322 430-621 3 1  
20050801 111.2 107 102 16.5 16 5-27 41343333 42344323 436-628 2 1  

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

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