Solar and geomagnetic data (last month)

Date Solar flux Sunspot number Planetary A index K indices (3-hour intervals) Min-max solar wind speed (km/sec) Number of flares (events)
STAR SEC STAR SEC Daily low - high Planetary Boulder C M X
20050331 76.7 11 22 9.0 9 4-12 13321232 13212223 401-474      
20050330 77.6 11 11 9.1 9 4-22 23421211 23432110 399-469      
20050329 78.8 0 15 5.1 5 2-15 01101223 11102212 446-476      
20050328 79.7 47 15 4.4 4 2-6 12101122 22101012 462-567      
20050327 78.4 13 35 12.8 13 7-27 21433332 22433322 489-635      
20050326 77.7 28 41 16.4 16 7-32 24443222 24443321 574-704      
20050325 82.1 52 65 17.5 18 4-39 14533322 14433323 388-702      
20050324 87.1 71 57 5.8 6 2-12 01113222 00113211 283-460      
20050323 87.7 68 56 4.0 4 0-9 10001122 10112332 289-337      
20050322 87.3 41 49 3.3 3 0-6 00101112 10102322 317-442 1    
20050321 89.7 51 53 8.5 8 3-22 11134211 10234322 293-553 1    
20050320 89.0 38 39 5.1 5 4-7 12122111 13122231 331-441 3    
20050319 93.0 41 41 13.5 14 4-39 54222111 54322211 364-539 2    
20050318 96.5 36 37 9.4 9 3-18 11231333 11231333 353-487 1    
20050317 101.4 34 35 12.4 12 7-22 33242322 34241222 358-464      
20050316 104.6 36 45 5.9 6 2-12 00113222 11123213 349-459      
20050315 108.2 65 58 4.1 4 3-6 21111111 21112112 349-429 1    
20050314 111.5 82 49 20.9 21 9-39 44345322 54344323 336-446 1    
20050313 113.8 73 77 6.1 6 2-15 10012223 10013333 328-360 5    
20050312 110.0 71 67 3.9 4 2-6 11101121 11212322 349-455 1    
20050311 104.9 73 59 6.1 6 4-9 22212111 22313220 448-573 1    
20050310 101.6 73 72 12.6 13 5-18 33333321 33332322 558-769 1    
20050309 99.9 60 77 19.9 20 12-32 34433344 34433444 593-778 2    
20050308 93.5 57 52 26.5 26 12-56 45533334 45433334 622-845      
20050307 87.0 47 43 42.3 42 22-94 55644454 54644444 580-817      
20050306 83.6 28 22 35.5 36 15-48 53543545 44543534 364-708      
20050305 81.2 18 22 9.6 10 4-18 13222233 13322223 352-422 1    
20050304 78.9 12 13 2.9 3 2-5 10001110 10101111 360-465      
20050303 77.0 11 24 4.0 4 0-6 11011221 11112112 452-582      
20050302 74.6 11 11 11.9 12 4-15 33333311 33333311 564-749      
20050301 73.7 11 11 11.5 11 5-22 21332224 22332313 577-732      

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

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