Plot and data output of ASY/SYM and AE indices

ASY/SYM: [1981-]
Final AE: [1975 (AE & AL only), 1978-1987, and 1988/01-06]
Provisional AE: [1989/03 and 1990-]
The AE indices for 1988/07-12, 1989/01-02, and 1989/04-12 have not yet been derived.

Provisional AE index for January 2019 - March 2019 is now available. [September 23, 2022]


AE Index Home Page / Real-time AE index/ On AE Indices
ASY/SYM PostScript Plot files / On ASY/SYM Indices (PDF)
Dst and AE (Hourly Values) indices [Since 1957]


Year: + Month:

Day: + Hour: Min:

DURATION (Minimum: 1 hour, Maximum: 366 days)

+ day(s) Hour(s) minite(s)

Output Type

Plot (a sample)
      Image Type: GIF PostScript [200kB/day]    Color: Color Monochromatic
      AE Sensitivity :
      ASY/SYM Sensitivity :

AE output    ASY and SYM output
     WDC-like format (WDC-like AE format / WDC-like ASY/SYM format)
     IAGA2002-like format   (IAGA2002 format)


PostScript files can be displayed with GhostScript.

To save Data list in file: Select "Save marked pages..." from "File" menu.