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 | |||
20100731 | 81.5 | 13 | 12 | 6.5 | 6 | 3-9 | 21112222 | 32112211 | 526-577 | |||
20100730 | 83.2 | 29 | 29 | 6.6 | 7 | 4-12 | 21121223 | 21122322 | 556-587 | |||
20100729 | 84.6 | 48 | 31 | 7.1 | 7 | 5-12 | 23222112 | 32322222 | 560-676 | |||
20100728 | 85.3 | 36 | 31 | 14.5 | 14 | 9-32 | 43333233 | 52322223 | 564-755 | 1 | ||
20100727 | 82.6 | 26 | 15 | 19.0 | 19 | 12-27 | 33443343 | 33433433 | 453-687 | 1 | ||
20100726 | 84.4 | 34 | 39 | 6.4 | 6 | 3-12 | 22111213 | 22112022 | 421-463 | |||
20100725 | 85.2 | 42 | 39 | 6.0 | 6 | 3-12 | 31112112 | 32112222 | 333-461 | |||
20100724 | 85.2 | 55 | 41 | 4.6 | 5 | 0-9 | 21101122 | 21201212 | 338-409 | |||
20100723 | 86.4 | 48 | 45 | 7.6 | 8 | 5-15 | 22212223 | 12221323 | 341-440 | |||
20100722 | 87.7 | 56 | 39 | 5.3 | 5 | 4-7 | 11112122 | 11122212 | 327-379 | |||
20100721 | 89.1 | 54 | 38 | 5.1 | 5 | 0-9 | 22011221 | 12011221 | 290-344 | |||
20100720 | 87.0 | 41 | 32 | 5.1 | 5 | 3-7 | 21212122 | 10212121 | 270-326 | 1 | ||
20100719 | 79.8 | 29 | 25 | 3.9 | 4 | 0-7 | 10011212 | 00012111 | 270-287 | |||
20100718 | 76.9 | 28 | 12 | 2.6 | 3 | 0-6 | 10000112 | 00012111 | 271-354 | |||
20100717 | 78.7 | 13 | 13 | 2.4 | 2 | 0-5 | 10001101 | 10001001 | 334-387 | 1 | ||
20100716 | 76.6 | 15 | 17 | 4.4 | 4 | 2-6 | 11111102 | 11131211 | 347-445 | |||
20100715 | 75.9 | 15 | 15 | 10.3 | 10 | 5-32 | 43122212 | 53232222 | 401-501 | |||
20100714 | 77.7 | 15 | 16 | 11.1 | 11 | 3-48 | 11122125 | 21122325 | 276-493 | 2 | ||
20100713 | 78.5 | 17 | 28 | 3.3 | 3 | 0-7 | 20000212 | 21001213 | 275-347 | 1 | ||
20100712 | 80.0 | 31 | 22 | 4.6 | 5 | 0-12 | 20001223 | 10002123 | 276-351 | |||
20100711 | 82.6 | 36 | 25 | 5.4 | 5 | 2-12 | 10012213 | 00112222 | 270-328 | |||
20100710 | 79.9 | 38 | 18 | 1.8 | 2 | 0-4 | 00000101 | 10001211 | 270-352 | |||
20100709 | 80.0 | 17 | 12 | 5.0 | 5 | 3-7 | 22211111 | 22221111 | 313-384 | 2 | ||
20100708 | 75.6 | 25 | 11 | 3.0 | 3 | 0-7 | 10000122 | 10001122 | 284-363 | 1 | ||
20100707 | 74.1 | 11 | 22 | 2.8 | 3 | 0-6 | 11001112 | 10001111 | 321-377 | |||
20100706 | 72.7 | 22 | 23 | 3.0 | 3 | 0-6 | 21100101 | 21101111 | 347-446 | |||
20100705 | 72.7 | 25 | 23 | 4.8 | 5 | 3-7 | 21111112 | 11101112 | 405-523 | |||
20100704 | 71.4 | 25 | 11 | 5.0 | 5 | 4-7 | 21111122 | 21111222 | 475-575 | |||
20100703 | 72.4 | 11 | 11 | 7.0 | 7 | 0-12 | 23022222 | 33022222 | 549-593 | |||
20100702 | 73.4 | 11 | 11 | 9.1 | 9 | 5-12 | 32321223 | 32422222 | 560-653 | |||
20100701 | 73.0 | 11 | 11 | 12.4 | 12 | 9-22 | 34222333 | 34321323 | 559-709 |
This page is normally updated once a day by Jan Alvestad. All values are preliminary.