---
title: "List Space Weather Geomagnetic Activity records"
method: GET
path: "/v1/data/space-weather-geomagnetic-activity"
tags: ["Space Weather"]
---

# List Space Weather Geomagnetic Activity records

`GET /v1/data/space-weather-geomagnetic-activity`

## Request

- Base URL: `https://api.aristocles.com.au` (the document declares no server; this is the origin it was published from)
- URL: `https://api.aristocles.com.au/v1/data/space-weather-geomagnetic-activity`
- Auth: none declared. Required headers: `X-API-Key`

List Space Weather Geomagnetic Activity records with optional filters and pagination.

**Source:** Source: NOAA Space Weather Prediction Center (Public domain (U.S. Government work)).

**Fields returned:**
- `observed_at` (date) — UTC timestamp of the reading
- `geomagnetic_index` (float) — Estimated planetary geomagnetic disturbance index, 0 to 9
- `estimated_index` (float) — Estimated index value as published by the forecast centre
- `index_label` (str) — Text form of the index, including plus or minus qualifiers

**Example:** `GET /v1/data/space-weather-geomagnetic-activity?limit=10&observed_at=2026-01-01`

## Query parameters

- `limit` integer: Max records to return (1-100).
- `offset` integer: Records to skip, for pagination.
- `observed_at` string, nullable: UTC timestamp of the reading
- `geomagnetic_index` string, nullable: Estimated planetary geomagnetic disturbance index, 0 to 9

## Headers

- `X-API-Key` string, required

## Response `200`

A page of Space Weather Geomagnetic Activity records with pagination metadata.

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/aristocles/apis/aristocles-data-api.md) · [All operations](https://skmtc.dev/aristocles/apis/aristocles-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/aristocles/apis/aristocles-data-api/revisions/4ca3fbb73c59?raw)