Geomagnetic Activity Map - Hourly Ranges

Note: Empty cells of observatories (indicated in the leftmost column by their IAGA codes) indicate that there was insufficient data to calculate a hourly range.

Hourly range (nT) for 2004-04-25
IAGA 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
AAA
AAE338121123492533132071992114374136794
ABG7106129108231645126785494116776
ABK302522703653475042726261554028494231309061216991
AIA564132114124462691276128676673107
AMS8461510832114158114527596178277
API346211010111783325762215244642
AQU4334816920106915765911103107686
ARS
ASC3325454914164971044137151422
ASP457201691422191510311193437232332
BDV5444111782216781361349141451196109
BEL76561422122620871782061418178161071414
BFE8679152912302410151611261222242412181061616
BFO
BLC35522459469297203364902471363589887114053110695042717331
BMT8471310141428231111277136537575332
BNG443475891835864812344114754
BOU117622131312171310149712152161315177788
BOX98891724152927321624172891721167181091411
BRW61568324768168236172446342233242256417611199611076166856442
BSL6651491610171613116916641215614512127
CBB27323045101115304217095524537115561261672138548441019686
CLF44351115721137810610491214696767
CMO473439119661361212183051521292712298060718233452123183129
CNB7981713926212012163920843372324119
CSY
CTA101132815714251712113415734272425102
CZT6484316132987146572534415531512
DLR55517912111713131276139513181116313137
DOU54461116824138111271451414176118968
DRV1641381601095262534370373037292434815323017183838107
EBR332711219291912719128101110176165866
ESK8568172614332411191311231526242914161211712
EUA
EYR4814151114251327863120545695579107
FCC47364864482232112109389296175189779217652855462846444366
FRD774101122782210101191884131512161011147
FRN7852110131311128101367819539145766
FUR544411177221577136114913145117798
GCK
GDH79362068271578315854427814974549183126128140633538346651
GNA31042210613101918721694528332334
GUA197826272043117562778123525681321
GUI433865681641013869873823544
GZH5101216137329226724692337573222
HAD55361418102317812961871415209106768
HBK74564136158117410557644103486
HER7356414714911451562652362354
HLP85661824132823131420102112191821917891513
HON597984121364322631362281452
HRB5453111892415691561349141351297109
HRN55175812278533285230269279410105845244624493277120322037
HUA354868742816714185739503124521719783
HYB
IPM
IQA45563743138619414573687231170153118123561448216018182817111930
IRT8861761328163010112591763385234112
IZN
KAK3271184427235826692334361263
KDU11742415109251813729983437251323
KMH
KNY435101165282558266103334361355
KOU2323663221155121518651091473451
LER856161728123524171481024102929301217158712
LRM6771513651920191022894549352337
LVV6565131611251779167166101515513891210
LYC
LZH54817910162219128246134439586352
MAB
MAW
MBO3236539102110121377612941033733
MCQ1211144829486969440591332481862713331315149682010
MEA342118343741471151211179820112411352416101919172123
MGD
MID
MMB3471399102725101230111154445734107
NAQ43646129614118527326325819611444223230814963565146235654
NCK534310169211458146115812124108798
NEW
NGK74461424112720781572071518188151071314
NUR9781116271235273018211929102326199181081512
NVS4352210101516221913191218677106610756
OTT91051618201021381520178161071621152214141512
PAF94101313221532131321887496137241331917
PAG
PEG
PHU71011191484332397236103439684443
PPT635148698564155433311814681011
PST
QSB4554131215241011616671210713415109118
RES101366671592850619837836579106701261262661321321985748137
SBA4328276156509031154644856373624671954662243243141
SFS
SHU
SIT291216333337264672513714131771614171561061114
SJG32235745171055662445446842
SOD231617442836374436635433473521383517185742133749
SPT333891281611145911578711474756
STJ463171627131125141025101431015271511810116
SUA6101651061171151268129
TAM333576131020512856101386484755
TAN
TDC
THL6228516055406767121498310486102698285108685354492187
THY645311191024146101671169131251297109
TRW434710108729225488121258465364
TSU4555145141215856685834113565
TUC5652091112151311121061112147181616410117
UPS95710132483322201715162492324229191161414
VAL443714168221781598149141422995756
VIC2112112819241910261592010148221112915117912
VSS3324866427147791931013101022343
WNG
YKC592144771842736213844426415962937869896464323235343547