| 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 | |||
| 20100930 | 89.9 | 65 | 45 | 1.1 | 1 | 0-4 | 00001001 | 00002111 | 347-438 | |||
| 20100929 | 90.7 | 61 | 51 | 4.9 | 5 | 2-12 | 13102111 | 13002111 | 400-521 | |||
| 20100928 | 83.2 | 74 | 49 | 7.0 | 7 | 3-15 | 11322221 | 21332311 | 422-550 | 2 | ||
| 20100927 | 83.0 | 69 | 52 | 5.8 | 6 | 2-15 | 10002232 | 21103222 | 421-539 | |||
| 20100926 | 83.9 | 65 | 57 | 5.9 | 6 | 3-9 | 11212222 | 01213222 | 373-471 | |||
| 20100925 | 82.9 | 61 | 40 | 7.1 | 7 | 3-15 | 33211111 | 23322111 | 450-633 | |||
| 20100924 | 82.6 | 45 | 34 | 12.6 | 13 | 5-18 | 13333323 | 23333323 | 413-590 | |||
| 20100923 | 84.3 | 37 | 34 | 4.8 | 5 | 3-6 | 21111111 | 11212122 | 311-469 | |||
| 20100922 | 84.8 | 38 | 26 | 2.0 | 2 | 0-6 | 10000012 | 11001001 | 289-344 | |||
| 20100921 | 84.6 | 43 | 37 | 5.6 | 6 | 4-7 | 22211121 | 22211101 | 326-434 | 1 | ||
| 20100920 | 82.6 | 31 | 38 | 3.5 | 4 | 0-6 | 02010121 | 12011020 | 283-349 | 2 | ||
| 20100919 | 81.2 | 35 | 50 | 3.8 | 4 | 2-5 | 11011111 | 11111111 | 287-367 | |||
| 20100918 | 82.1 | 39 | 42 | 4.4 | 4 | 2-12 | 31111101 | 21210101 | 347-447 | |||
| 20100917 | 82.2 | 43 | 41 | 8.3 | 8 | 6-15 | 23322221 | 24322211 | 418-477 | 1 | ||
| 20100916 | 82.5 | 56 | 46 | 6.4 | 6 | 0-18 | 10101332 | 10112332 | 332-462 | |||
| 20100915 | 81.2 | 43 | 20 | 7.3 | 7 | 3-22 | 41221111 | 31222111 | 300-389 | |||
| 20100914 | 80.7 | 15 | 24 | 8.9 | 9 | 3-15 | 12321233 | 11422332 | 283-384 | |||
| 20100913 | 79.5 | 29 | 17 | 2.4 | 2 | 0-6 | 00001201 | 00002210 | 283-315 | |||
| 20100912 | 78.3 | 31 | 26 | 1.1 | 1 | 0-3 | 00000001 | 00100100 | 288-339 | |||
| 20100911 | 78.0 | 24 | 11 | 1.4 | 1 | 0-3 | 00011011 | 00002001 | 303-371 | |||
| 20100910 | 75.3 | 11 | 0 | 1.5 | 2 | 0-5 | 11000000 | 12101000 | 340-455 | |||
| 20100909 | 73.7 | 12 | 0 | 4.0 | 4 | 0-9 | 10012202 | 11023311 | 292-443 | |||
| 20100908 | 74.5 | 0 | 11 | 10.5 | 10 | 2-18 | 23023322 | 23122321 | 307-439 | 1 | ||
| 20100907 | 76.2 | 11 | 16 | 9.4 | 9 | 4-15 | 22132322 | 23242322 | 332-465 | |||
| 20100906 | 79.7 | 45 | 24 | 7.8 | 8 | 4-18 | 23111122 | 24221212 | 333-395 | 1 | ||
| 20100905 | 82.1 | 55 | 58 | 3.9 | 4 | 0-18 | 00000113 | 00111113 | 285-349 | |||
| 20100904 | 82.2 | 65 | 53 | 2.6 | 3 | 0-6 | 10001121 | 00001101 | 313-365 | |||
| 20100903 | 77.2 | 71 | 54 | 4.3 | 4 | 0-12 | 10001232 | 11010110 | 361-423 | |||
| 20100902 | 77.0 | 63 | 52 | 7.9 | 8 | 4-15 | 22231222 | 22332211 | 334-423 | |||
| 20100901 | 76.3 | 66 | 51 | 4.1 | 4 | 0-9 | 10000222 | 11110122 | 299-353 | |||
This page is normally updated once a day by Jan Alvestad. All values are preliminary.