Real Time T Indices

Below is real time T index information based on several hours of autoscaled data. Real time T will depart from monthly predicted T during disturbances. A value of 999 indicates that no autoscaled data is available.

(last updated 15 Jun 2025 05:40 UT)

REAL TIME T INDICES FOR NORTHERN HEMISPHERE AUTO SCALED DATA IS USED TO PRODUCE THESE INDICES 15 06 25 05 UT Northern hemisphere T index: 36 REAL TIME T INDICES FOR SOUTHERN HEMISPHERE AUTO SCALED DATA IS USED TO PRODUCE THESE INDICES Southern hemisphere T index: 104 REAL TIME T INDICES FOR AUSTRALIAN REGION AUTO SCALED DATA IS USED TO PRODUCE THESE INDICES 15 06 25 05 UT Northern Equatorial Australian Region T index: 125 Northern Australian Region T index: 91 Southern Australian Region T index: 46 Australian Region T index: 78 REAL TIME T INDEX FOR ANTARCTIC REGION AUTO SCALED DATA IS USED TO PRODUCE THESE INDICES Antarctic Region T index: 31