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 2004-04-28
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
AAE4246134333222372825161482154772115512
ABG56121512101112957913155207685231467
ABK13015103461929229148312426884821162812058078122
AIA9743225785337101012121161432221112
AMS4441371395666642178548191244
API2582222553223428546491138
AQU8224334777971110612126971715613
ARS
ASC22222464710128599211355125439
ASP8244644693335931563467435
BDV112242341074567951917101391719915
BEL123443271495689115312011161120231316
BFE11334435161298713139463117231428211523
BFO
BLC42364017432329344923435368888112073491061463571037679
BMT107212131071092547115191046515847
BNG43237121717178481521162354711159412
BOU72532481110354711103117511213327913
BOX364255915167121021199472512121438231317
BRW383844351514572838203738569956166237691191031831389087
BSL94532481110454619714188814292359
CBB372948203237382021232535631254532135215816556931014776100
CLF132232267747589616181114121513717
CMO1418191810103829281418154159259799275060951015276
CNB3534368783335739648854108
CSY
CTA10485725683335931344586343
CZT621222611104448541344616301884
DLR725325810104546147181269122924610
DOU1433533687565812523221316131815719
DRV484339524627502123191117111310202521705028322990
EBR12334101589107813991115101010101412714
ESK193442261210119614141044362032261811927
EUA
EYR131297337685435446551017146125
FCC29261517342184873521171215154267292163166133695494
FRD0510
FRN5243257910454984241168122529812
FUR1122433497477710617161012101717915
GCK
GDH663715137184274774137235894522161385663114401184462
GNA32222246763358317834510834
GUA1146275109622249314532575515
GUI52232284111110861114187441364310
GZH81410101689633359316734412743
HAD153332258775479423241521181410719
HBK5322365117346567136489208614
HER52212569863554785578177513
HLP103342391412889131516382311171520211120
HON41873135642348310626610934
HRB102252351185878105191691291819914
HRN9229332315206358832635331004252894549485059614755133
HUA3442245675593731406047242253311046
HYB
IPM
IQA11810439431413297465334920325665102593821120469789149
IRT4612761813121113271242411466141054
IZN
KAK25993646532351041343369765
KDU8968924683224931663357323
KMH
KNY2710156251063335104156335101074
KOU2322135565712154411111092220725
LER1433421613121295101312534222322438121127
LRM436233378433611320935514938
LVV10444557127589711525161110111922815
LYC
LZH7427151071094637941910465161135
MAB
MAW
MBO32221371016252112102419291287136439
MCQ118131177221512475547312211172466491927
MEA1191063691916689121315453213196273582931
MGD
MID
MMB456125447744371341673491561111
NAQ3412118871321151613171920255475211181031401317178
NCK92242341085767105181581181617814
NEW7312413133143352021
NGK122343261295678116302213171218211319
NUR45523491914789191512483315171532211517
NVS337118614111575410116231086914976
OTT10644341112935611191325251333344617616
PAF124353914107756863159662236161212
PAG
PEG
PHU916131327914854461042110465161122
PPT322201245322232736951361311
PST
QSB8347137101811431314142386872620814
RES311433201428291540386679164242172112148156334132103745281
SBA362214161217292719203229202222321154638336404158
SFS
SHU
SIT7687331215154751314823239252743352226
SJG32221355523275464581421744
SOD47993571625219126272322704016101961334559104
SPT92332475755668813104910128514
STJ7534228855510161061224173420328514
SUA8224248121071571212720959151816714
TAM6223141216221985111921288369128413
TAN2323147776625751863652010410
TDC
THL1830141281844274068907628827312315831278232133971044744
THY103252351196979116191681291818915
TRW2016
TSU62223798934771041774811177515
TUC624325710104549962395812252569
UPS72431371512988141211423416191321221318
VAL14333226559636852123162319158518
VIC8366337121245411105242116142433321718
VSS2332235567881066251591220111047
WNG13334318131167511139422714231528201624
YKC383222121712606244313636264240824727277613713050112