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 | |||
20080531 | 66.9 | 0 | 0 | 8.1 | 8 | 5-12 | 12223222 | 21223322 | 544-710 | |||
20080530 | 67.1 | 0 | 0 | 10.8 | 11 | 0-22 | 41012342 | 31023333 | 468-656 | |||
20080529 | 68.1 | 0 | 0 | 8.9 | 9 | 3-15 | 33212222 | 33212222 | 453-567 | |||
20080528 | 67.8 | 0 | 0 | 11.8 | 12 | 6-18 | 32323333 | 32333322 | 324-556 | |||
20080527 | 67.9 | 0 | 0 | 3.4 | 3 | 0-9 | 10100112 | 11112223 | 334-363 | |||
20080526 | 68.0 | 0 | 12 | 4.3 | 4 | 2-7 | 11111011 | 22221132 | 348-459 | |||
20080525 | 68.3 | 0 | 0 | 6.1 | 6 | 3-12 | 33211111 | 33222122 | 445-514 | |||
20080524 | 68.5 | 0 | 0 | 6.6 | 7 | 3-12 | 31122212 | 31222222 | 465-570 | |||
20080523 | 67.8 | 0 | 0 | 9.6 | 10 | 2-18 | 22013233 | 23023233 | 462-550 | |||
20080522 | 69.3 | 0 | 0 | 8.8 | 9 | 3-12 | 32112333 | 32212333 | 500-602 | |||
20080521 | 69.1 | 0 | 0 | 13.4 | 13 | 5-32 | 34332213 | 34333323 | 471-632 | |||
20080520 | 68.6 | 0 | 23 | 9.5 | 10 | 5-15 | 22312323 | 22322333 | 352-502 | |||
20080519 | 68.9 | 15 | 28 | 7.6 | 8 | 3-12 | 32132211 | 33232212 | 307-432 | |||
20080518 | 71.6 | 29 | 30 | 3.4 | 3 | 2-6 | 11012101 | 00112211 | 292-341 | |||
20080517 | 71.2 | 11 | 23 | 2.5 | 2 | 0-5 | 10001101 | 10010210 | 299-371 | |||
20080516 | 71.6 | 33 | 34 | 4.5 | 4 | 3-7 | 21112111 | 11112211 | 324-394 | |||
20080515 | 71.1 | 22 | 0 | 3.5 | 4 | 2-7 | 01101112 | 11102211 | 294-349 | |||
20080514 | 69.0 | 0 | 0 | 3.0 | 3 | 0-5 | 11001011 | 12012210 | 298-354 | |||
20080513 | 68.5 | 0 | 0 | 4.1 | 4 | 0-9 | 22001211 | 32012322 | 293-363 | |||
20080512 | 68.0 | 0 | 0 | 3.8 | 4 | 2-9 | 10101112 | 11112222 | 287-325 | |||
20080511 | 68.0 | 0 | 0 | 3.4 | 3 | 0-6 | 21001121 | 21111111 | 291-353 | |||
20080510 | 67.4 | 0 | 0 | 5.4 | 5 | 3-9 | 12111112 | 12220112 | 318-366 | |||
20080509 | 67.3 | 0 | 0 | 3.4 | 3 | 0-5 | 11111101 | 12211011 | 351-445 | |||
20080508 | 66.4 | 0 | 0 | 4.4 | 4 | 0-7 | 21221011 | 12222110 | 436-470 | |||
20080507 | 66.5 | 0 | 0 | 4.4 | 4 | 0-7 | 21001222 | 21112211 | 453-508 | |||
20080506 | 67.2 | 0 | 0 | 10.4 | 10 | 5-27 | 43321111 | 43422221 | 467-636 | |||
20080505 | 67.6 | 0 | 15 | 10.9 | 11 | 0-18 | 22302332 | 23312432 | 557-639 | |||
20080504 | 68.3 | 12 | 13 | 7.6 | 8 | 3-12 | 12331222 | 12332112 | 461-608 | |||
20080503 | 67.3 | 13 | 0 | 12.4 | 12 | 7-18 | 33232232 | 33223222 | 396-546 | |||
20080502 | 68.1 | 0 | 0 | 11.6 | 12 | 2-27 | 44303202 | 44313211 | 415-483 | |||
20080501 | 68.5 | 0 | 0 | 9.1 | 9 | 2-32 | 01201334 | 11212324 | 410-481 |
This page is normally updated once a day by Jan Alvestad. All values are preliminary.