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 2004-05-07
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
AAE531047264621152225720162012910249932711
ABG791091413101211710611715111113125891810
ABK137746639416542191720151538385248414241441704421185
AIA4424181211191719510910521720413876158
AMS666531367766107128138101675593
API451213420122265742666934731053
AQU446251471243911668785226431211
ARS
ASC2544365786287616135412753128
ASP59943108124435955553332424
BDV4251394132211761286821543257
BEL6411651231356121771514512432975109
BFE118201081159671216103025921776229132018
BFO
BLC53792872386726721835178757646831081232431421012469511015020973
BMT8712391012113486772737632334
BNG5545691741491521316229972112942614
BOU1151011589114444441088365414103
BOX1471153651051012141425219873913691713
BRW262814810760270120217201105134316128891991912072441076974365649
BSL661591218798556129891377961386
CBB403613071141661988562552736229472711421403661721798012366
CLF4453511914338551261210522743911
CMO325985223276155339229181616765721428710385622115344535
CNB323117139127355874744333343
CSY
CTA55124586167635835694464683
CZT3364346437385764531524435
DLR85171410249126755910135164796993
DOU455651191653115616811126231133711
DRV741229511276947261505242354653811068143444161347568
EBR8811410201718981015710121216123710962421
ESK441377753611654191812145285751610
EUA
EYR6611145279269547455665455385
FCC1091373561851573841631571986590123816251593668643534276651
FRD52555266633368671549691166
FRN24111451912125543431086776512513
FUR43613105142210841157831644278
GCK
GDH74100174130989911812611616018396109811261501428363508545192100
GNA781516615113010111138131261714916891012
GUA961916861015564784568355381017
GUI474561312141265946145641111751411
GZH5473107610410889531148532453
HAD5511381010948855171215149305941313
HBK46454549686546446410443116
HER2637367141012375512662157541014
HLP8414551041056131811231851765214791311
HON44610424122165732468445464114
HRB43633105133311941266721424378
HRN403063721181681591269668138701741398092321302231575235222295
HUA56168192898124510175729235616242827998
HYB
IPM
IQA11912321120711678899211871761227977711491411142641103974393141
IRT4131555617105159851038451143765
IZN
KAK896617138138671086412867768115
KDU54161341091577461155885463748
KMH
KNY734413138147871010541286753886
KOU4492127591056101113765107157465
LER71032161815676342923271011103375206125
LRM15153314910192912117102320121014714878619
LVV64108712516861216614125126327751112
LYC
LZH9910398895475993948633464
MAB
MAW
MBO475671311918208812915866811651712
MCQ20246738391698219398291638816412518525615353544529253038
MEA2341102453647516124818633103503256483920143579386256
MGD
MID
MMB446511881176687631155544985
NAQ12661186248125188286166162783642206132891004518693111195244197
NCK33523105132211841356721433377
NEW111016185541737218137491637688517187
NGK4252371923109814116921153144
NUR22142011986128414182031341791269196154130
NVS54654128871057101048541255654
OTT1273611939342720784610109186161415191313
PAF6101288114348252647322853102718
PAG
PEG
PHU8810513113116111281294155106444104
PPT33511528151954734747534653143
PST
QSB6463314861264569968818453168
RES321845131530243924192620309242585313613196931256013
SBA272491544149263925283113182624465369342939362633
SFS
SHU
SIT16243811111817711269106115142864292025171110121617
SJG34951212477344249466475363
SOD10564466023393216207816352660493636373615628227105
SPT45533141114529955116762310441413
STJ1914352612202133152120241815625101623182623378
SUA43653116104361035526416343107
TAM6754416127211572111119755199752114
TAN33434832238125765313562154
TDC
THL1919311414261622484157826711069459152581928214719
THY43633105122211841246721533378
TRW3310311155683346612697543265
TSU112123846671411343763294
TUC64131251911105543461661036581085
UPS15721118876641014173129814855194133824
VAL5516413875899441420171184261451818
VIC121518235541435198135691558610117141611
VSS2472972675456510574354385
WNG841778126104511156241952066418891619
YKC4110136926510059743633121271151737410016627856507324213311528