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
20071231 76.7 0 0 2.4 2 0-6 00001121 00001122 336-367 1    
20071230 75.0 0 0 2.4 2 0-5 11010100 12011100 340-362 1    
20071229 72.1 0 0 1.6 2 0-5 00010001 00011101 347-386      
20071228 71.8 0 0 2.1 2 0-7 22000000 23110100 354-496      
20071227 72.1 0 0 4.4 4 3-6 12211111 12222221 332-531      
20071226 72.6 0 0 1.8 2 0-4 00110001 00111111 323-370      
20071225 72.0 0 0 1.8 2 0-4 00000010 00110100 344-395      
20071224 71.4 0 0 1.6 2 0-4 01100001 11211100 363-465      
20071223 71.4 0 0 6.5 6 0-9 22222102 22232201 459-590      
20071222 71.5 0 0 7.3 7 4-12 12212232 12223322 557-653      
20071221 71.0 0 0 11.3 11 5-15 33322331 33332221 558-766      
20071220 72.6 0 0 12.0 12 6-27 33222432 34222432 548-830      
20071219 74.5 0 0 8.5 8 4-27 24222122 24333222 550-758      
20071218 76.8 0 14 18.5 18 9-27 34344233 34344333 568-770 3    
20071217 79.5 13 14 17.4 17 6-32 22444424 22554433 398-675 1    
20071216 81.7 27 28 1.6 2 0-6 10000002 01001112 344-393 1    
20071215 88.9 33 39 1.1 1 0-3 00000001 00111111 360-467      
20071214 91.9 34 35 2.5 2 0-6 01020010 11131111 456-541 2    
20071213 93.8 70 39 4.1 4 2-9 12111010 12212211 458-594 3    
20071212 93.9 67 39 7.3 7 0-15 23331002 22342122 547-684      
20071211 93.4 56 44 11.8 12 7-15 32332333 32333233 465-711      
20071210 86.9 46 43 7.6 8 0-22 02222124 01232224 326-495      
20071209 88.9 51 42 2.1 2 0-5 00000111 11001110 277-365      
20071208 86.9 50 36 0.3 0 0-2 00000000 00000000 270-289      
20071207 82.2 60 24 0.9 1 0-3 01000000 01000001 277-344      
20071206 78.2 36 29 1.3 1 0-4 01000000 02102111 332-352      
20071205 75.3 29 13 2.5 2 0-5 10001101 21001101 327-371      
20071204 73.6 13 13 1.5 2 0-4 00001101 00011101 272-333      
20071203 72.6 15 13 0.9 1 0-3 00001000 00000000 276-349      
20071202 73.0 12 26 1.9 2 0-5 01000001 01100111 331-348      
20071201 71.9 13 13 2.4 2 0-6 20110000 20111101 330-349      

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

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