Viewing archive of Tuesday, 21 October 1997

GFZ Potsdam official Kp-index

The archive is not available for this date.

Disturbance storm-time index

NOAA estimated Kp-index

The archive is not available for this date.

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

100%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/10/31X2.03
Last M-flare2024/11/05M4.1
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2024141.4 -74.1
November 2024215.8 +74.4
Last 30 days160.9 +7.7

This day in history*

Solar flares
11997X12.9
22004X1.34
32004M8.52
42014M7.85
52010M7.77
DstG
12001-292G4
22000-159G3
32023-128G2
41957-87G2
51994-80G2
*since 1994

Social networks