| 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 | |||
| 20100131 | 75.3 | 13 | 14 | 4.3 | 4 | 0-7 | 21011011 | 21012111 | 345-476 | |||
| 20100130 | 75.0 | 14 | 25 | 3.3 | 3 | 0-7 | 11101112 | 11202122 | 325-434 | |||
| 20100129 | 73.3 | 11 | 12 | 1.9 | 2 | 0-4 | 00010001 | 10010001 | 309-352 | |||
| 20100128 | 76.3 | 12 | 13 | 3.0 | 3 | 0-6 | 10001121 | 11111210 | 309-406 | |||
| 20100127 | 77.8 | 13 | 15 | 2.5 | 2 | 0-4 | 10011101 | 00010101 | 315-357 | |||
| 20100126 | 79.8 | 14 | 28 | 2.9 | 3 | 0-6 | 21100011 | 11111100 | 332-370 | |||
| 20100125 | 81.2 | 29 | 34 | 2.9 | 3 | 0-7 | 00102002 | 01213111 | 344-427 | |||
| 20100124 | 84.6 | 32 | 32 | 4.4 | 4 | 2-7 | 11221001 | 01232110 | 343-368 | |||
| 20100123 | 84.6 | 39 | 40 | 3.8 | 4 | 0-7 | 21121001 | 21232001 | 326-352 | |||
| 20100122 | 82.6 | 31 | 30 | 1.8 | 2 | 0-4 | 11000001 | 02021112 | 346-476 | |||
| 20100121 | 82.4 | 16 | 17 | 4.4 | 4 | 0-12 | 13211000 | 23222100 | 361-552 | 3 | ||
| 20100120 | 81.7 | 14 | 16 | 13.8 | 14 | 0-39 | 10102544 | 10212433 | 273-575 | 9 | 4 | |
| 20100119 | 84.2 | 0 | 0 | 1.3 | 1 | 0-3 | 10000001 | 10011110 | 294-368 | 7 | 2 | |
| 20100118 | 81.5 | 0 | 14 | 3.3 | 3 | 2-5 | 01101111 | 01110111 | 330-361 | 1 | ||
| 20100117 | 82.6 | 13 | 16 | 0.8 | 1 | 0-3 | 01000001 | 02011101 | 323-381 | 1 | ||
| 20100116 | 84.2 | 22 | 24 | 0.8 | 1 | 0-2 | 00000000 | 00110100 | 344-464 | |||
| 20100115 | 85.3 | 24 | 26 | 3.0 | 3 | 0-7 | 10100122 | 10201211 | 374-453 | 1 | ||
| 20100114 | 89.9 | 24 | 34 | 3.9 | 4 | 0-6 | 21011111 | 12021110 | 445-552 | |||
| 20100113 | 90.5 | 25 | 41 | 5.6 | 6 | 2-12 | 32111202 | 22211211 | 405-523 | |||
| 20100112 | 93.3 | 27 | 35 | 3.3 | 3 | 0-6 | 12000012 | 02111122 | 422-514 | 1 | ||
| 20100111 | 89.2 | 35 | 35 | 6.1 | 6 | 2-9 | 02222211 | 02323312 | 273-596 | |||
| 20100110 | 84.4 | 27 | 25 | 2.3 | 2 | 0-5 | 00011101 | 00111200 | 270-324 | |||
| 20100109 | 81.7 | 23 | 20 | 1.4 | 1 | 0-4 | 00001101 | 00001100 | 270-288 | 1 | ||
| 20100108 | 77.4 | 14 | 14 | 1.5 | 2 | 0-3 | 00100100 | 00210000 | 270-323 | |||
| 20100107 | 78.1 | 14 | 15 | 0.9 | 1 | 0-3 | 00000001 | 00100000 | 270-332 | |||
| 20100106 | 77.3 | 0 | 0 | 0.9 | 1 | 0-3 | 01000000 | 01000100 | 275-347 | |||
| 20100105 | 76.8 | 0 | 13 | 1.0 | 1 | 0-4 | 00000100 | 00101100 | 270-336 | |||
| 20100104 | 74.5 | 13 | 15 | 2.0 | 2 | 0-6 | 00210000 | 00220100 | 270-341 | 1 | ||
| 20100103 | 76.4 | 16 | 20 | 3.3 | 3 | 0-7 | 01122000 | 02222100 | 271-311 | 1 | ||
| 20100102 | 78.0 | 18 | 22 | 0.4 | 0 | 0-3 | 00000001 | 00000100 | 270-337 | 3 | ||
| 20100101 | 75.2 | 17 | 16 | 0.9 | 1 | 0-5 | 00000001 | 00000102 | 270-302 | |||
This page is normally updated once a day by Jan Alvestad. All values are preliminary.