Plot and data output of the ASY/SYM and AE indices

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 July 2019 - December 2019 is now available.[January 5, 2024]
Provisional AE index (to be updated in the future) for May 10-14 2024 are now available. [June 3, 2024]
The published digital values of real-time AE index are now available for download and plotting. (For periods where both provisional and real-time values are available, the provisional values will be utilized for download and plotting.) [May 13, 2025]

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]

START TIME [UT]

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.

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