| 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 | |||
| 20090228 | 70.6 | 0 | 0 | 4.6 | 5 | 0-12 | 32200012 | 32210011 | 444-646 | |||
| 20090227 | 68.9 | 0 | 0 | 8.5 | 8 | 4-18 | 11233222 | 23244311 | 427-683 | |||
| 20090226 | 69.9 | 0 | 12 | 2.5 | 2 | 0-6 | 11000012 | 12001101 | 348-443 | |||
| 20090225 | 70.7 | 11 | 14 | 3.1 | 3 | 0-5 | 11011100 | 11221101 | 365-432 | |||
| 20090224 | 71.0 | 12 | 12 | 6.0 | 6 | 2-15 | 23211101 | 23322111 | 359-443 | |||
| 20090223 | 70.8 | 0 | 0 | 5.1 | 5 | 0-15 | 10002322 | 00112312 | 380-469 | |||
| 20090222 | 70.3 | 0 | 0 | 3.3 | 3 | 0-7 | 00221001 | 11232101 | 352-434 | |||
| 20090221 | 70.6 | 0 | 0 | 3.0 | 3 | 0-5 | 00011011 | 01022211 | 340-420 | |||
| 20090220 | 69.2 | 0 | 0 | 3.1 | 3 | 0-7 | 11001012 | 11001012 | 286-352 | |||
| 20090219 | 68.9 | 0 | 0 | 1.0 | 1 | 0-4 | 00000101 | 00011200 | 277-319 | |||
| 20090218 | 69.8 | 0 | 0 | 2.5 | 2 | 0-6 | 20000011 | 11012000 | 287-348 | |||
| 20090217 | 70.6 | 0 | 0 | 1.3 | 1 | 0-4 | 10001001 | 00001011 | 319-430 | |||
| 20090216 | 69.5 | 0 | 0 | 3.1 | 3 | 0-5 | 10011101 | 20012111 | 406-470 | |||
| 20090215 | 69.6 | 0 | 0 | 10.4 | 10 | 5-27 | 24123222 | 24223212 | 469-564 | |||
| 20090214 | 70.1 | 0 | 0 | 14.0 | 14 | 5-32 | 12334323 | 13534323 | 453-570 | |||
| 20090213 | 70.1 | 0 | 11 | 3.1 | 3 | 0-6 | 00001211 | 00011211 | 271-335 | |||
| 20090212 | 69.7 | 11 | 11 | 3.6 | 4 | 0-7 | 10012211 | 11012110 | 334-347 | |||
| 20090211 | 70.3 | 11 | 11 | 4.9 | 5 | 2-7 | 20111222 | 10111132 | 272-342 | |||
| 20090210 | 67.6 | 0 | 0 | 2.9 | 3 | 0-6 | 10000211 | 11111101 | 270-289 | |||
| 20090209 | 70.7 | 0 | 0 | 3.8 | 4 | 0-7 | 10001222 | 10001000 | 270-346 | |||
| 20090208 | 71.2 | 0 | 0 | 3.8 | 4 | 0-9 | 00001221 | 00001100 | 274-340 | |||
| 20090207 | 71.1 | 0 | 0 | 3.3 | 3 | 0-6 | 12001111 | 12101110 | 274-331 | |||
| 20090206 | 70.1 | 0 | 0 | 2.5 | 2 | 0-5 | 10000011 | 11000012 | ||||
| 20090205 | 70.1 | 0 | 0 | 6.6 | 7 | 2-27 | 41111102 | 42111112 | ||||
| 20090204 | 69.5 | 0 | 0 | 15.9 | 16 | 4-27 | 41243342 | 31253332 | 339-379 | |||
| 20090203 | 69.3 | 0 | 0 | 3.6 | 4 | 0-18 | 00000013 | 10000023 | 275-378 | |||
| 20090202 | 69.1 | 0 | 0 | 2.0 | 2 | 0-5 | 00001111 | 11000001 | 344-383 | |||
| 20090201 | 69.5 | 0 | 0 | 3.4 | 3 | 2-7 | 12011101 | 12110101 | 352-537 | |||
| 20090131 | 69.4 | 0 | 0 | 6.8 | 7 | 4-9 | 11222212 | 11333212 | 394-526 | |||
| 20090130 | 69.1 | 0 | 0 | 3.5 | 4 | 0-7 | 01011112 | 01021212 | 337-444 | |||
| 20090129 | 69.3 | 0 | 0 | 4.4 | 4 | 0-9 | 02211101 | 02222111 | 360-443 | |||
This page is normally updated once a day by Jan Alvestad. All values are preliminary.