When Clean Air Matters

Welcome to explore our fields of activity, services, and measurement systems for air pollution and industrial gas analysis!

When Clean Air Matters

Welcome to explore our fields of activity, services, and measurement systems for air pollution and industrial gas analysis!

How many ppm is 314 mg/m3 of SO2? What is 12 ppb of ozone in ug/m3? Feel free to use our new gas concentration converter!

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News

2025-04-17

Marine Business Opportunities

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2025-03-11

Controlling Particulate Pollution with Salt

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2025-02-17

OPSIS Concentration Converter

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Latest from the Blog

Blog The Light In The Tunnel OPSIS 960X640pxl

2025-05-13

The Light in the Tunnel

Intensive traffic and high emissions from vehicles can make the air quality in road tunnels very bad, with poor visibility and unhealthy levels of air pollution. There are often requirements to monitor the air quality, but it must be done with durable instrumentation that needs a minimum of maintenance needs. Read on to find out how this can be managed.

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Video in Focus

H2S Monitoring

It can be difficult to monitor H2S. The gas lacks distinct UV absorption lines and IR absorption monitoring is affected by interference from H2O.

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