| 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 | |||
| 20090531 | 68.5 | 21 | 15 | 3.4 | 3 | 0-5 | 10101111 | 00101110 | 287-347 | |||
| 20090530 | 68.5 | 0 | 0 | 3.4 | 3 | 2-6 | 22000001 | 22100111 | 342-351 | |||
| 20090529 | 68.2 | 0 | 0 | 5.4 | 5 | 3-7 | 12112222 | 12112111 | 346-441 | |||
| 20090528 | 67.7 | 0 | 0 | 7.4 | 7 | 3-15 | 13232212 | 13332210 | 269-466 | |||
| 20090527 | 66.7 | 0 | 0 | 3.0 | 3 | 0-6 | 10000212 | 11111100 | 269-279 | |||
| 20090526 | 68.2 | 0 | 0 | 3.6 | 3 | 0-7 | 10101112 | 10211100 | 272-346 | |||
| 20090525 | 68.9 | 0 | 0 | 2.6 | 3 | 0-6 | 10011102 | 10110210 | 301-353 | |||
| 20090524 | 69.2 | 0 | 0 | 3.9 | 4 | 0-7 | 22100112 | 12111111 | 345-403 | |||
| 20090523 | 70.4 | 0 | 13 | 4.4 | 4 | 2-7 | 00110222 | 00121122 | 344-412 | |||
| 20090522 | 72.1 | 12 | 0 | 5.0 | 5 | 2-9 | 10122212 | 00122211 | 317-430 | |||
| 20090521 | 71.8 | 0 | 0 | 4.8 | 5 | 3-6 | 21111122 | 10122001 | 313-352 | |||
| 20090520 | 71.5 | 0 | 0 | 4.5 | 4 | 2-9 | 11001122 | 21102121 | 269-348 | |||
| 20090519 | 72.3 | 0 | 11 | 4.8 | 5 | 3-6 | 22111112 | 12211111 | 269-326 | |||
| 20090518 | 72.9 | 12 | 14 | 3.6 | 4 | 0-9 | 21001102 | 11101102 | 270-346 | |||
| 20090517 | 74.0 | 13 | 13 | 3.3 | 3 | 0-6 | 11000112 | 11000001 | 270-365 | |||
| 20090516 | 74.2 | 12 | 15 | 5.1 | 5 | 2-7 | 11021212 | 11122112 | 303-426 | |||
| 20090515 | 73.7 | 12 | 12 | 2.4 | 2 | 0-6 | 10001102 | 10001000 | 328-423 | |||
| 20090514 | 73.9 | 15 | 18 | 7.9 | 8 | 4-22 | 12122242 | 11222222 | 308-373 | |||
| 20090513 | 73.8 | 12 | 12 | 2.8 | 3 | 0-5 | 10001111 | 10100101 | 271-352 | |||
| 20090512 | 73.9 | 0 | 0 | 1.9 | 2 | 0-5 | 00000111 | 00001101 | 314-344 | |||
| 20090511 | 71.9 | 0 | 0 | 3.9 | 4 | 3-7 | 21111111 | 21112111 | 348-394 | |||
| 20090510 | 71.8 | 0 | 0 | 4.1 | 4 | 2-7 | 12001022 | 12011111 | 360-426 | |||
| 20090509 | 72.3 | 0 | 0 | 5.9 | 6 | 3-9 | 12122212 | 12232122 | 448-472 | |||
| 20090508 | 70.8 | 0 | 0 | 12.8 | 13 | 3-27 | 44412222 | 44411222 | 431-498 | |||
| 20090507 | 69.5 | 0 | 0 | 9.8 | 10 | 5-27 | 24122213 | 23131113 | 402-479 | |||
| 20090506 | 68.7 | 0 | 0 | 6.5 | 6 | 3-15 | 21112223 | 22112222 | 327-482 | |||
| 20090505 | 68.0 | 0 | 0 | 2.5 | 2 | 0-6 | 00001212 | 00011102 | 303-337 | |||
| 20090504 | 68.0 | 0 | 0 | 4.5 | 4 | 3-7 | 11121111 | 11122100 | 304-346 | |||
| 20090503 | 68.6 | 0 | 0 | 4.8 | 5 | 0-9 | 20011222 | 21011111 | 294-343 | |||
| 20090502 | 68.3 | 0 | 0 | 4.8 | 5 | 2-7 | 11202112 | 11201111 | 273-333 | |||
| 20090501 | 68.5 | 0 | 0 | 4.8 | 5 | 2-9 | 10111212 | 00221111 | 278-315 | |||
This page is normally updated once a day by Jan Alvestad. All values are preliminary.