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 NOAA STAR NOAA Daily low - high Planetary Boulder C M X
20080930 66.2 0 0 3.4 4 0-12 00001213 10002213 313-463      
20080929 66.8 23 0 2.4 2 0-6 00211001 11221011 310-349      
20080928 67.0 0 0 3.1 3 0-6 01112101 01112211 298-355      
20080927 67.3 0 0 2.4 2 0-6 00001121 10001211 284-334      
20080926 67.7 0 0 3.5 4 0-7 21001111 21112101 297-332      
20080925 67.2 0 0 4.1 4 0-12 00001133 10011221 275-341      
20080924 68.4 0 0 4.1 4 2-7 11012112 12112111 275-305      
20080923 69.4 0 16 3.0 3 0-5 00111111 10212111 275-319      
20080922 69.1 16 18 4.0 4 0-12 33000101 33011111 275-304      
20080921 67.9 11 0 2.1 2 0-7 10001102 01001112 278-309      
20080920 67.8 0 0 2.6 3 0-6 22000100 12211110 284-340      
20080919 67.9 0 0 5.4 5 2-7 01222112 12322100 300-349      
20080918 67.2 0 0 9.4 9 2-18 12333102 13343100 340-382      
20080917 67.1 0 0 3.4 3 0-12 23000001 23110100 348-480      
20080916 69.4 0 0 8.9 9 4-22 14321112 14332211 451-556      
20080915 67.5 0 0 15.4 15 9-27 23344332 23344332 358-566      
20080914 66.8 0 0 6.3 6 0-22 00101134 00201124 278-370      
20080913 66.4 0 0 0.5 0 0-2 00000000 00001100 277-322      
20080912 66.3 0 0 1.6 2 0-4 10001001 21000000 294-371      
20080911 66.9 0 12 2.3 2 0-6 01000012 11112011 336-420      
20080910 67.2 0 0 3.6 4 2-5 11011111 11120221 385-451      
20080909 67.1 0 0 5.6 6 0-12 12210113 12311103 437-552      
20080908 67.1 0 0 7.6 8 3-15 13222222 24322331 475-558      
20080907 66.6 0 0 7.6 8 2-18 32002131 32102221 470-608      
20080906 65.8 0 0 6.6 7 2-12 31013222 21124322 452-615      
20080905 65.2 0 0 6.6 7 2-15 23002112 23112112 454-542      
20080904 65.9 0 0 32.6 33 5-94 66444321 56444322 410-574      
20080903 66.2 0 0 7.4 7 4-15 12221223 12221322 285-481      
20080902 66.0 0 0 3.0 3 0-5 10011011 11121001 279-305      
20080901 65.8 0 0 3.9 4 0-7 11001222 22111001 308-336      

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

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