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 | |||
20101031 | 81.2 | 36 | 32 | 3.3 | 3 | 0-6 | 02012001 | 02122111 | 344-364 | 2 | ||
20101030 | 84.8 | 35 | 32 | 2.1 | 2 | 0-7 | 00011200 | 00011301 | 347-421 | |||
20101029 | 83.7 | 50 | 24 | 3.1 | 3 | 0-6 | 11001200 | 21102200 | 348-388 | |||
20101028 | 86.4 | 44 | 27 | 2.9 | 3 | 2-5 | 00001111 | 10112210 | 379-471 | |||
20101027 | 87.6 | 46 | 53 | 4.1 | 4 | 0-9 | 11101022 | 11212121 | 465-553 | 1 | ||
20101026 | 86.1 | 70 | 74 | 7.6 | 8 | 3-15 | 32221222 | 32331221 | 495-640 | 2 | ||
20101025 | 86.2 | 93 | 57 | 5.9 | 6 | 3-12 | 21112131 | 11222122 | 548-662 | 1 | ||
20101024 | 82.1 | 67 | 57 | 14.4 | 14 | 5-27 | 34233241 | 44233332 | 568-685 | |||
20101023 | 84.3 | 54 | 43 | 23.1 | 23 | 7-48 | 32445424 | 42444424 | 479-686 | |||
20101022 | 81.4 | 52 | 34 | 6.1 | 6 | 2-18 | 01211223 | 11311234 | 345-532 | |||
20101021 | 83.5 | 34 | 34 | 3.1 | 3 | 0-6 | 10002111 | 10102211 | 338-401 | |||
20101020 | 83.9 | 35 | 61 | 3.8 | 4 | 0-9 | 20012011 | 21112011 | 368-430 | 1 | ||
20101019 | 86.6 | 63 | 65 | 5.3 | 5 | 0-9 | 22211002 | 23222111 | 346-455 | 2 | ||
20101018 | 90.6 | 99 | 58 | 5.1 | 5 | 2-15 | 20011123 | 21121113 | 326-381 | 3 | ||
20101017 | 83.6 | 64 | 61 | 11.1 | 11 | 2-27 | 23431023 | 23532122 | 315-411 | 2 | ||
20101016 | 86.9 | 68 | 48 | 5.9 | 6 | 0-15 | 12101132 | 12202222 | 300-343 | 1 | ||
20101015 | 82.2 | 49 | 51 | 5.3 | 5 | 2-15 | 01011131 | 11121211 | 285-326 | |||
20101014 | 80.4 | 60 | 34 | 1.6 | 2 | 0-4 | 10000001 | 11000000 | 289-331 | |||
20101013 | 78.1 | 36 | 24 | 4.5 | 4 | 3-6 | 21211111 | 22221111 | 299-380 | |||
20101012 | 75.2 | 17 | 11 | 10.4 | 10 | 5-15 | 33312322 | 33212322 | 348-417 | |||
20101011 | 75.3 | 12 | 11 | 19.9 | 20 | 4-56 | 12345432 | 12345322 | 306-360 | |||
20101010 | 75.9 | 15 | 13 | 1.6 | 2 | 0-5 | 00001001 | 00011101 | 296-324 | |||
20101009 | 76.4 | 16 | 12 | 3.9 | 4 | 2-5 | 11111101 | 11220101 | 316-361 | |||
20101008 | 74.9 | 0 | 11 | 4.3 | 4 | 0-12 | 31110101 | 22111102 | 297-353 | |||
20101007 | 75.1 | 0 | 0 | 4.5 | 4 | 2-6 | 12111101 | 12222101 | 285-318 | |||
20101006 | 74.2 | 0 | 0 | 8.1 | 8 | 2-18 | 10223231 | 10323111 | 304-343 | |||
20101005 | 75.4 | 22 | 11 | 6.5 | 6 | 4-12 | 12321211 | 13321111 | 275-346 | |||
20101004 | 76.1 | 0 | 23 | 2.6 | 3 | 0-6 | 00002112 | 00001211 | 277-309 | 1 | ||
20101003 | 80.0 | 28 | 28 | 3.0 | 3 | 0-5 | 10011101 | 11000001 | 286-313 | |||
20101002 | 85.0 | 34 | 42 | 2.5 | 2 | 0-6 | 00002111 | 10000001 | 294-342 | |||
20101001 | 86.7 | 45 | 44 | 2.8 | 3 | 0-6 | 10002111 | 11001101 | 327-361 |
This page is normally updated once a day by Jan Alvestad. All values are preliminary.