---
title: "Latest 24-hour PSI and PM2.5 by region from NEA (fetched about every 30 minutes; as_of is the reading time)"
method: GET
path: "/api/v1/sg/psi"
tags: ["Singapore data"]
---

# Latest 24-hour PSI and PM2.5 by region from NEA (fetched about every 30 minutes; as_of is the reading time)

`GET /api/v1/sg/psi`

## Request

- Base URL: `https://mcp.connective-labs.com`
- URL: `https://mcp.connective-labs.com/api/v1/sg/psi`
- Auth: none declared

## Response `200`

Result with as_of and source

- object

## Other responses

- `400`: Invalid input or data not available

---

[API](https://skmtc.dev/connective-labs/apis/singapore-buying-desk-api.md) · [All operations](https://skmtc.dev/connective-labs/apis/singapore-buying-desk-api/llms.txt) · [OpenAPI document](https://skmtc.dev/connective-labs/apis/singapore-buying-desk-api/revisions/03f9e68d1eac?raw)