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.