What We Do

Persium is a British air quality and environmental monitoring company based in London, UK.

The company provides a complete end-to-end solution to tackle air pollution globally, uniting advanced hardware and software technology, with expert consultancy.

Persium has developed the most advanced low-cost air quality sensor on the market, known as the Persium Pod, which it combines with its unique digital twinning software capabilities for air quality and public health modelling.

Our Mission

To provide decision-makers with accurate, actionable air quality data that supports sustainable development and protects public health.

Our Vision

A world where clean air is measurable, understood, and improved through reliable environmental data.

Built in Britain, Trusted Globally

Persium Pods are designed and manufactured in the UK and proudly carry the Made in Britain trademark.

This reflects our commitment to:

Build quality and reliability
Rigorous manufacturing standards
Technology partners can trust at scale

Our systems are deployed internationally, supporting projects from local authorities to large infrastructure operators.

Trusted by partners. Recognised by industry.

Persium works with public and private sector partners and has been recognised by leading innovation and sustainability programmes.

Pod Deployment

Our installation strategy focuses on forming dense networks to fuel our digital twinning platform for comprehensive air quality & environmental monitoring and analysis.

The Pod is renowned as the most advanced & accurate low-cost air quality sensor available, ensuring unmatched data reliability & quality.