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
20070831 70.8 26 14 6.9 7 3-12 11122233 22121233 348-415      
20070830 71.6 13 15 5.5 6 3-7 22112212 22211212 372-471      
20070829 69.6 12 13 4.4 4 2-7 20111112 10112111 470-549      
20070828 70.1 12 14 11.4 11 6-32 32342222 33522222 485-683      
20070827 69.2 11 12 12.3 12 6-22 32422233 33422222 480-696      
20070826 70.1 11 13 10.3 10 4-32 11112243 21213233 341-542      
20070825 71.5 12 14 8.5 8 3-18 21123232 22133233 275-433      
20070824 71.6 12 12 2.3 2 0-5 01000011 01000011 271-299 1    
20070823 70.8 12 12 1.5 2 0-4 00011001 00011000 307-351      
20070822 70.0 12 12 3.5 4 0-7 01012111 01122111 308-351      
20070821 69.3 12 11 4.0 4 2-7 21012101 21212111 285-347      
20070820 69.1 0 0 2.3 2 0-4 10001011 10111011 346-414      
20070819 68 0 0 2.9 3 0-7 00012201 00023211 342-442      
20070818 67.9 0 0 3.6 4 0-7 20001112 20001000 343-431      
20070817 67.6 0 0 4.6 5 2-7 21001122 21111112 380-447      
20070816 67 0 0 7.0 7 4-15 22231112 22332112 412-482      
20070815 68 0 0 8.3 8 4-15 33112222 23222322 339-510      
20070814 68.5 0 14 5.8 6 3-15 11111213 21201013 335-355      
20070813 67.7 0 13 3.4 3 0-7 11001102 11001002 346-431      
20070812 68.1 13 11 5.9 6 4-12 21132111 21132111 396-478      
20070811 67.2 11 13 12.1 12 6-18 33322332 33423222 472-568      
20070810 67.5 12 14 13.0 13 3-27 11224443 12234332 344-553      
20070809 67.4 12 14 4.0 4 2-7 10221011 10221211 350-455      
20070808 69.0 16 25 6.5 6 2-15 23211101 33311111 449-575      
20070807 69.0 13 13 23.4 23 9-67 64433323 63433433 572-748      
20070806 70.0 15 16 12.3 12 2-39 10221245 11222345 276-615 2    
20070805 68.9 12 11 2.4 2 0-5 10000111 01011111 274-352      
20070804 69.4 12 11 2.1 2 0-4 10100001 00101001 345-453      
20070803 70.4 11 11 4.5 4 2-7 12201112 12212211 425-558      
20070802 69.4 0 0 5.3 5 2-6 12202212 22211221 521-589      
20070801 68.4 0 0 15.6 17 9-22 24432233 35542223 476-700      

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

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