Hybrid air-quality observatory.

A few reference analysers and many low-cost nodes, with co-location calibration and an open-data feed.

Who runs it

  • Cities, public-health units, school districts.

What it produces

  • Air-quality index and hyperlocal maps, labelled supplementary
  • Calibrated time series with quality flags
  • Publication route to an open air-quality aggregator

Standards

  • EU Directive 2024/2881 (ambient air quality)
  • CEN/TS 17660 (sensor systems)
  • US EPA FEM/FRM reference methods

Sectors

More use cases