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 | NOAA | STAR | NOAA | Daily low - high | Planetary | Boulder | C | M | X | |||
20100531 | 72.0 | 14 | 39 | 15.1 | 15 | 9-22 | 33433323 | 24433323 | 495-710 | |||
20100530 | 73.0 | 22 | 40 | 19.3 | 19 | 6-39 | 33422454 | 22422333 | 357-537 | |||
20100529 | 73.7 | 40 | 43 | 32.8 | 33 | 12-56 | 43555433 | 32555423 | 322-401 | |||
20100528 | 73.2 | 35 | 12 | 10.4 | 10 | 4-15 | 13223233 | 13223122 | 335-412 | |||
20100527 | 72.7 | 12 | 11 | 3.6 | 4 | 0-6 | 20001112 | 20111101 | 326-420 | |||
20100526 | 72.4 | 22 | 11 | 5.8 | 6 | 4-9 | 22111122 | 22222212 | 275-352 | |||
20100525 | 73.2 | 22 | 16 | 5.4 | 5 | 3-12 | 11111123 | 11221212 | 274-356 | |||
20100524 | 72.6 | 26 | 17 | 2.4 | 2 | 0-5 | 10000111 | 01000101 | 276-361 | |||
20100523 | 74.5 | 18 | 23 | 2.4 | 2 | 0-4 | 10000111 | 01000101 | 345-391 | |||
20100522 | 72.5 | 26 | 20 | 3.6 | 4 | 0-6 | 02111101 | 11111011 | 346-449 | |||
20100521 | 70.9 | 20 | 15 | 5.3 | 5 | 2-12 | 31201111 | 21211111 | 409-523 | |||
20100520 | 68.8 | 13 | 0 | 9.4 | 9 | 5-22 | 41212213 | 41312322 | 446-536 | |||
20100519 | 68.6 | 0 | 0 | 8.3 | 8 | 4-15 | 11123322 | 11123312 | 335-540 | |||
20100518 | 68.7 | 0 | 0 | 6.5 | 6 | 4-9 | 22222111 | 13322201 | 336-353 | |||
20100517 | 69.2 | 0 | 0 | 6.1 | 6 | 0-9 | 22112121 | 22122201 | 341-365 | |||
20100516 | 68.5 | 0 | 0 | 3.9 | 4 | 0-6 | 11001122 | 11100111 | 319-350 | |||
20100515 | 70.3 | 0 | 0 | 3.9 | 4 | 2-6 | 21011111 | 22011000 | 337-443 | |||
20100514 | 69.7 | 0 | 0 | 3.3 | 3 | 0-7 | 10000211 | 01011111 | 331-426 | |||
20100513 | 69.4 | 0 | 0 | 3.6 | 4 | 0-5 | 10111111 | 20011101 | 346-493 | |||
20100512 | 71.2 | 0 | 0 | 5.1 | 5 | 3-9 | 21122111 | 21132211 | 364-507 | |||
20100511 | 73.5 | 0 | 0 | 8.0 | 8 | 5-15 | 22221331 | 22232311 | 342-444 | |||
20100510 | 73.6 | 0 | 0 | 4.9 | 5 | 0-9 | 11011222 | 11022221 | 329-410 | |||
20100509 | 75.4 | 0 | 0 | 3.5 | 4 | 0-5 | 10011111 | 21001111 | 346-461 | |||
20100508 | 78.3 | 0 | 23 | 6.4 | 6 | 4-9 | 22212222 | 22311111 | 446-551 | 3 | ||
20100507 | 79.0 | 23 | 24 | 9.0 | 9 | 5-15 | 33213122 | 33322212 | 459-548 | 1 | ||
20100506 | 79.1 | 14 | 45 | 10.4 | 10 | 4-18 | 13322223 | 13422333 | 481-567 | |||
20100505 | 83.2 | 58 | 77 | 8.3 | 8 | 4-15 | 32211232 | 22212221 | 526-583 | 2 | 1 | |
20100504 | 81.7 | 28 | 70 | 8.4 | 8 | 5-22 | 41322322 | 42323212 | 566-755 | 1 | ||
20100503 | 80.3 | 50 | 61 | 27.4 | 27 | 12-56 | 55443334 | 55444323 | 575-794 | |||
20100502 | 79.5 | 23 | 47 | 38.8 | 39 | 4-94 | 11246665 | 11244544 | 285-724 | |||
20100501 | 77.8 | 34 | 12 | 3.8 | 4 | 0-6 | 02011212 | 02011110 | 288-393 | 1 |
This page is normally updated once a day by Jan Alvestad. All values are preliminary.