OMNIWeb Data Explorer - Near-Earth Heliosphere Data - SPDF - Goddard Space Flight Center

Interface to produce listings/plots with filtering

This page provides the ability to list/plot (or create a file of) any selection of the High Resolution OMNI parameters listed below, only for times when these and/or other parameters satisfy user-specified numeric ranges. Click left boxes to select output parameters, and enter desired minimum and/or maximum value(s) in box(es) to the right of any desired filtering parameter(s).

*Select an activity

List data Create file Plot filtered data

*Select resolution
     1-min averaged 5-min averaged

Click here to get time spans for individual parameters.
*Select start and stop dates (Use yyyymmdd)  
    Start      Stop

* Select variables
Variable Name Format Min/Max values:
Low    High
IMF Spacecraft ID I2   
Plasma Spacecraft ID I2   
# Pts in IMF Avgs I3   
# Pts in Plasma Avgs I3   
Sigma in averaged time shift, sec. I6   
Sigma in 1m-avgd minimum-variance vector I6   
IMF Magnitude Avg, nT F8.2   
Bx, GSE/GSM, nT F8.2   
By, GSE, nT F8.2   
Bz, GSE, nT F8.2   
By, GSM, nT F8.2   
Bz, GSM, nT F8.2   
Sigma in IMF Magnitude Avg, nT F8.2   
Sigma in IMF Vector Avg, nT F8.2   
Flow Speed, km/sec F8.1   
Vx, GSE, nT F8.1   
Vy, GSE, nT F8.1   
Vz, GSE, nT F8.1   
Proton Density, n/cc F7.2   
Proton Temperature, K F8.0   
Flow Pressure, nPa F6.2   
Electric Field, mV/m F7.2   
Plasma beta F7.2   
Alfven Mach number F6.1   
Magnetosonic Mach number F5.1   
Spacecraft X, GSE, Re F8.2   
Spacecraft Y, GSE, Re F8.2   
Spacecraft Z, GSE, Re F8.2   
BSN location X, GSE, Re F8.2   
BSN location Y, GSE, Re F8.2   
BSN location Z, GSE, Re F8.2   

Provisional activity Indexes
AE Index, nT I6   
AL Index, nT I6   
AU Index, nT I6   
SYM/D, nT I6   
SYM/H, nT I6   
ASY/D, nT I6   
ASY/H, nT I6   
PC index from Thule F7.2   

Fluxes from GOES (Available for 5min resolution only)
Proton Flux >10 MeV, 1/(cm**2-sec-ster) F8.2   
Proton Flux >30 MeV, 1/(cm**2-sec-ster) F8.2   
Proton Flux >60 MeV, 1/(cm**2-sec-ster) F8.2   

*Advanced plot selections (optional)
Y-axis Scale:
Character size(0.5-2.0):
Plot Symbol: Symbol Size(0.1-4.0):
Connect Type: Image size (pixels): X: Y:


If you have any questions/comments about OMNIWEB system, contact:
Dr. Natalia Papitashvili, Space Physics Data Facility, Mail Code 672, NASA/Goddard Space Flight Center, Greenbelt, MD 20771

NASA Official: Robert Candey (, Head of the Space Physics Data Facility