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
AAE531047274621152225720162012910249932811
ABG777101811912891261071510101313589199
ABK14617811823764445139383577587680128105715048910111286408225
AIA5524182336259176108125227235149971911
AMS7810481115656814812101541517667614
API461416521132365742676933731253
AQU105105623111110891312101851110369652517
ARS
ASC3655588910821267211673149651510
ASP881455161020887917989116775758
BDV1141471025131877131511131471610468872719
BEL12620121028102191118201419126221254811103119
BFE109251316301020810242418341783315781515143227
BFO
BLC705233814772184304556867574065180117147153134142998718413061
BMT16771116131014610151314114167111174445
BNG654561118516101321416239872212942714
BOU18826301135251998659112052971191021186
BOX101417151125112412203135304625252416551010162018
BRW57100159107121454197592303604495861549532737148416531112697665288
BSL752117163210126874895101889111111155
CBB4830751112987973939413428545491151213171227189256984659
CLF981141025172087131711917915114512982521
CMO7110317164875491203262718128814117217432428115273483530194454
CNB8819111518113615126911610818471184165
CSY
CTA87171151013239957123861346845104
CZT7814618585731113513121212134491281212
DLR84212114371615985587861779977175
DOU10713412281723108161614141611201452141082624
DRV5547100804379363737291428372153446339224343404842
EBR879613241616111610155152414181736111182520
ESK981962036262312122120173317164220781319133633
EUA
EYR1110201410462251201011951015162278710112412
FCC78974822659425116814920768921301291457390454813049691519189
FRD119211018157141568610131311264141215171510
FRN8618248412225118947410614111199111710
FUR1061361024141777101411111681510438872620
GCK
GDH1141074975615760667310115954961151452251648320585405130167
GNA71127912141118978920169129910855412
GUA1071917971116564784578355391119
GUI58477171316151151445209461216771714
GZH48541076841110810631248542363
HAD9713414272123961513101615122315521212112624
HBK4654913882415312710411825101042712
HER4354812107572257682117221184239
HLP117211112281019912252320251762713671012123021
HON661012526152685732668354543124
HRB115148825121569131411121561510447872818
HRN2867576212815727618210283878875332126362642042174435235226
HUA56168192898124510175729235616242827998
HYB
IPM
IQA10919730214594156175668120898105136119521417414499976249372129
IRT102528818162925111121171319717101622134365
IZN
KAK911341410811767993511946646104
KDU10121516512121578571356995562837
KMH
KNY8165489911777910441186763655
KOU4610214941011641412151087117166567
LER101223143228141311142222174315144316711319112932
LRM9102076111312888819159118119855512
LVV11516118241016611141614151241711427992714
LYC
LZH155981611811591591310415512854495
MAB
MAW
MBO47568131010192389131016967910651712
MCQ243248563420893185732715510019513418625013343455629202932
MEA444441492749495257159297029235944304512322222564432
MGD
MID
MMB86571714111910891212561510698610135
NAQ130147320212921401282501366239322946281338950164801056426995
NCK105137824121468121411121561410407762417
NEW2721254213563035161010710151772214141415311815
NGK1162010142712201082018131812725126071293123
NUR101824221425112111143235285129193213731612212125
NVS71221116122416101620211019725815211176610
OTT199302515222131278117132016173410211725322219
PAF2017287189191179111915231725111975912183139
PAG
PEG
PHU71185151059412139129315410544493
PPT36511628162154832657423644143
PST
QSB106125522198241215513172291514358963117
RES46701193346422857476511142801164110276911008481733133
SBA59601086743572311048394319424473718960412758255848
SFS
SHU
SIT274127352211232914782317213241461617201516181323
SJG4411314113783454874523116464
SOD1991248099402537382835645167671037866443798255117227226
SPT78756241718128111479224893113692419
STJ12202520213121212312141714915202021291725192710
SUA10713792313999101115111481412407882715
TAM68655171662616931315249662311752516
TAN447289852312369101098227102237
TDC
THL39567056385428824772583348115384864685644526312058
THY1161488261315610121412121771511457872718
TRW4515517257913455751271237854108
TSU565571211123516361014412723111042815
TUC962123113820211087577148186101066188
UPS9925161325516892729224423103611781411182218
VAL7711414292221951612101510122216461511112423
VIC2019183894327331199610101481512171114241514
VSS371141495121254107812911768751410
WNG11724121729122089212116261573214791515123629
YKC5910411420610253320339222677160103105170236942491131244560134192103