Solar and geomagnetic data (last month)

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
20080630 66.7 0 0 5.6 6 2-7 22202122 23213221 447-525      
20080629 66.6 0 0 7.5 8 4-15 23121123 23122223 448-528      
20080628 65.9 0 0 6.8 7 4-12 22121232 22222233 455-577      
20080627 66.1 0 0 8.4 8 6-18 32222222 42233322 557-694      
20080626 65.4 0 0 16.1 16 7-32 44243232 44244222 522-682      
20080625 65.9 0 0 12.4 12 3-22 43311233 34312333 341-548      
20080624 65.8 0 0 4.5 4 0-15 11000123 11111223 309-356      
20080623 65.3 0 0 2.9 3 0-7 12001101 22012211 346-454      
20080622 65.4 0 11 3.8 4 2-6 11001112 21112122 408-469      
20080621 64.8 11 11 4.9 5 3-7 21111112 21223222 442-565      
20080620 65.2 11 11 10.6 11 4-22 34321223 24332233 470-603      
20080619 64.9 11 11 6.0 6 3-12 21112123 21123222 432-584      
20080618 65.4 11 11 8.6 9 2-18 33222102 33323212 554-750      
20080617 65.9 11 11 9.4 9 6-18 32322222 43332223 586-787      
20080616 65.3 12 11 13.0 13 7-22 32232344 32333333 577-754      
20080615 66.5 11 0 19.8 20 7-48 45433233 45442333 577-754      
20080614 67.1 0 0 16.3 16 2-56 01001355 10113335 272-679      
20080613 66.5 0 13 2.8 3 0-5 10000111 20002211 272-340      
20080612 67.1 11 13 3.4 3 2-5 10011111 11012112 295-345      
20080611 65.7 11 11 4.1 4 3-6 11111211 22212111 340-354      
20080610 66.1 13 14 3.5 4 0-6 10001211 10002221 344-397      
20080609 66.0 13 0 4.8 5 0-9 21011121 22001222 351-449      
20080608 64.9 0 0 6.9 7 5-15 32212212 32312222 446-530      
20080607 65.6 0 0 11.8 12 7-18 22332333 22333233 434-539      
20080606 65.9 0 0 7.5 8 5-12 12221223 12221333 344-466      
20080605 66.4 14 0 2.5 3 0-5 10010111 10022321 345-426      
20080604 65.2 0 0 3.5 4 0-7 21001102 21102301 406-476      
20080603 66.3 0 0 4.5 4 3-7 12111112 12122322 446-520      
20080602 67.1 0 0 5.3 5 4-6 22111212 22212221 462-582      
20080601 66.6 0 0 7.8 8 5-12 22112323 22222223 548-642      

This page is normally updated once a day by Jan Alvestad. All values are preliminary.

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