Solar and geomagnetic data (last month)

Date Measured
solar flux
Sunspot number Planetary A index K indices (3-hour intervals) Min-max solar wind speed (km/sec) Number of flares (events)
STAR SDO NOAA STAR NOAA Daily ap range Planetary Boulder C M X
20110930 138.1 195 89 7.6 8 0-27 10001144 21011223 427-564 4 1  
20110929 136.6 128 99 15.4 15 4-27 44334111 65432322 429-587 4    
20110928 133.4 139 116 23.9 24 4-48 34555312 55543332 390-529 3 1  
20110927 139.0 157 82 30.1 30 7-111 74434234 64434334 483-708 8    
20110926 148.2 147 114 58.8 59 2-207 10015884 21125654 319-674 9 1  
20110925 168.8 172 108 4.4 4 2-9 10021212 11022322 282-370 4 8  
20110924 168.7 186 88 3.6 4 0-7 00012122 10112122 313-357 4 9 1
20110923 158.2 147 90 3.0 3 0-5 10001111 11012111 342-373 11 3  
20110922 150.8 175 86 3.3 3 0-9 10001012 11012222 344-412 8 1 1
20110921 144.2 232 108 4.9 5 0-9 01112222 11212212 331-370 9 1  
20110920 144.3 194 101 6.5 7 2-15 13222022 14221111 349-434 11    
20110919 140.9 178 128 2.8 3 0-5 10101111 00101211 359-424 4    
20110918 150.1 212 144 5.3 5 0-12 21012113 22022213 351-651 6    
20110917 144.8 254 138 32.4 32 2-80 03346643 13444532 346-535 2    
20110916 143.1 275 173 2.1 2 0-4 10001101 11012221 347-453 13    
20110915 140.7 262 167 5.4 6 3-9 12111122 13212222 406-471 11    
20110914 142.6 278 144 4.4 4 3-7 21111112 22122222 453-557 8    
20110913 129.4 254 118 16.8 17 5-32 44432113 44432222 492-585 6    
20110912 123.9 244 97 26.8 27 18-39 44443445 44444334 559-636 7    
20110911 121.3 205 94 9.4 9 3-18 32113213 32213313 539-608 4    
20110910 116.2 131 77 33.4 33 12-56 55443435 55443535 433-579 2 1  
20110909 111.8 95 65 35.5 36 0-132 11005755 12015644 284-499 3 2  
20110908 110.1 83 47 3.6 4 2-7 12000111 22111310 293-362 3 1  
20110907 112.8 105 60 6.1 6 3-15 31112112 31222122 352-391 2   1
20110906 111.5 136 93 6.6 7 2-9 12222112 23222222 351-431 2 1 1
20110905 118.7 151 102 5.5 6 2-9 20102222 10112322 299-403 10 2  
20110904 119.4 188 114 8.4 8 3-15 23212232 23112321 307-402 3 2  
20110903 118.7 181 139 12.5 13 6-18 33232333 33242212 291-426 7    
20110902 115.4 207 103 2.8 3 0-6 02001111 12111121 271-302 1    
20110901 111.8 188 119 3.0 3 0-5 11001111 11002101 274-338 2    

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

[Solar Terrestrial Activity Report]