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PM2.5 Open Data Portal

Open low-cost PM2.5 sensor data

EnvironmentAuth: NoneHTTPS: YesCORS: unknownStatus: alive

Last verified: November 12, 2026

Reliability

100% uptime: the documentation responded in 5 of 5 checks over the last 30 days. Median response time: 799 ms.

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At a glance

// Fetch the docs page with cURL curl https://pm25.lass-net.org/#apis

History

  • November 12, 2026: last health check, responding

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More Environment APIs

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  • CO2 Offset — API calculates and validates the carbon footprint
  • Calendrier Tempo — French EDF Tempo tariff: today's and tomorrow's colour, kWh prices and 15-day colour forecasts
  • Carbon Interface — API to calculate carbon (C02) emissions estimates for common C02 emitting activities
  • Climatiq — Calculate the environmental footprint created by a broad range of emission-generating activities
  • Cloverly — API calculates the impact of common carbon-intensive activities in real time
  • EIA Open Data — US energy statistics: electricity, petroleum, gas
  • El mapa del agua — Water hardness (°fH) of Spanish municipalities by INE code or postal code, with the source and date of each analysis

View all Environment APIs →