---
title: "Calculate particle flux"
method: GET
path: "/gcr/flux_dlr"
tags: ["gcr"]
---

# Calculate particle flux

`GET /gcr/flux_dlr`

for the given energy, atomic number, and date.

## Query parameters

- `year` integer, required
- `month` integer, required
- `day` integer, required
- `z` number, required
- `energy` number, required

## Response `200`

Successful flux calculation

- FluxAtEnergy
  - `flux` object — Particle flux value and units.
    - `units` string
    - `value` number

---

[API](https://skmtc.net/amentum/apis/space-radiation.md) · [All operations](https://skmtc.net/amentum/apis/space-radiation/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/amentum/space-radiation/versions/2db21cfebb30/schema)