aid: pm2-5-open-data-portal
name: PM2.5 Open Data Portal
description: "Open low-cost PM2.5 sensor data"
url: https://pm25.lass-net.org/#apis
specificationVersion: '0.20'
created: '2026-05-28'
modified: '2026-05-28'
x-source: public-apis/public-apis
x-category: "Environment"
x-tier: 3
x-tier-reason: bulk-registered-from-public-apis
tags:
  - Environment
  - Public APIs
apis:
  - name: PM2.5 Open Data Portal
    description: "Open low-cost PM2.5 sensor data"
    humanURL: https://pm25.lass-net.org/#apis
    baseURL: https://pm25.lass-net.org/#apis
    tags:
      - Environment
    properties:
      - type: Documentation
        url: https://pm25.lass-net.org/#apis
common:
  - type: Website
    url: https://pm25.lass-net.org/#apis
  - type: PublicAPIsListing
    url: https://github.com/public-apis/public-apis
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com