---
title: "GetCo2Monitoring"
method: GET
path: "/api/climate/v1/get-co2-monitoring"
tags: ["ClimateService"]
---

# GetCo2Monitoring

`GET /api/climate/v1/get-co2-monitoring`

## Request

- Base URL: `https://api.worldmonitor.app`
- URL: `https://api.worldmonitor.app/api/climate/v1/get-co2-monitoring`
- Auth: one of:
  - API key in header `X-WorldMonitor-Key`
  - API key in header `X-Api-Key`

GetCo2Monitoring retrieves seeded NOAA greenhouse gas monitoring data.

## Query parameters

- `jmespath` string

## Response `200`

OK

- WorldmonitorClimateV1GetCo2MonitoringResponse
  - `monitoring` WorldmonitorClimateV1Co2Monitoring
    - `currentPpm` number, double
    - `yearAgoPpm` number, double
    - `annualGrowthRate` number, double
    - `preIndustrialBaseline` number, double
    - `monthlyAverage` number, double
    - `trend12m` WorldmonitorClimateV1Co2DataPoint[]
      - `month` string
      - `ppm` number, double
      - `anomaly` number, double: Year-over-year delta vs same calendar month, in ppm.
    - `methanePpb` number, double
    - `nitrousOxidePpb` number, double
    - `measuredAt` string, int64
    - `station` string

## Other responses

- `400`: Validation error
- `401`: Missing or invalid API key.
- `403`: API access requires an active subscription (the API key's subscription is inactive or expired).
- `429`: Rate limit exceeded.
- `503`: Service unavailable. Billing-verification responses include code and X-Billing-Verification; other gateway infrastructure failures use the generic GatewayError shape.
- `default`: Gateway or handler error response.

---

[API](https://skmtc.dev/worldmonitor/apis/worldmonitor-api.md) · [All operations](https://skmtc.dev/worldmonitor/apis/worldmonitor-api/llms.txt) · [OpenAPI document](https://skmtc.dev/worldmonitor/apis/worldmonitor-api/revisions/e3dc8463a5c9?raw)