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 1991-11-19
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
AAE
ABG
ABK
AIA
AMS3527917312010269292035391837533858242930453021
API
AQU
ARS
ASC
ASP
BDV
BEL
BFE38283925343712343011242316213941111147347765682511
BFO
BLC9142128226120671861561657396160609610561136150132105703137
BMT
BNG
BOU12108513746233713910192513151921161278183
BOX
BRW50353269138907412616315576185146782431952102895231501101854344
BSL103417122928312413623153217213319323492019378
CBB91216231216951901021312763912831513341758934817948
CLF57561589227713131013142021411018151055
CMO49365621112015523527513719129222214576307330583699436127215433250
CNB75921251516111287715614719301819166178
CSY
CTA
CZT221416121417151762214291218115342342716251198
DLR823151034354418198211328241532294327132112336
DOU
DRV1151251711653222351682001221571241031415674868323618413382248432167
EBR
ESK172142623161714221113151214273412715338110595973
EUA
EYR
FCC60535237377254201368219562451752741831351501602743331961401153525
FRD116126121424243610731251510815211777102
FRN4912514821911151382024112019261371412216
FUR
GCK
GDH617743251951938073695182851241851317337151414536514165
GNA
GUA121210272733283291915959423113126322310123620
GUI
GZH
HAD1251491813232618916121212233161691164263676
HBK
HER
HLP
HON1271318161711139311115281420161027251817111314
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK781010241572221111095561411503929312120116
KDU
KMH
KNY
KOU
LER84125118265637531726331812161654874394607410775963214
LRM
LVV
LYC
LZH
MAB
MAW
MBO
MCQ
MEA901066623411826632638864236315246378156162156158117836225623228
MGD
MID
MMB
NAQ257224161128305325140420456107158122133123582141782567212813422511144
NCK
NEW451732151942139981401293719427022161422383715778
NGK
NUR818767414035162626198271528871252492697464162124509
NVS
OTT53106534210423618022426226504033352933188441663534916
PAF2301538519372392320303022534243731591984711210599808
PAG
PEG
PHU
PPT1111413775968478541051111718211611
PST
QSB
RES
SBA
SFS
SHU
SIT
SJG62818112217141164163154123019301981117226
SOD2012051511091011285580422936536268212343463255821412512088454
SPT
STJ6010757461081211381651832869646943394685183679575501516
SUA
TAM
TAN
TDC
THL18281321384040292226262440562716397536238231638
THY56441446165699571011182465141263
TRW
TSU
TUC71013618122571313139162272327251910127275
UPS
VAL
VIC321719121521757892913617586720192229163620121214
VSS
WNG
YKC