Air quality

Odour nuisances
Impact studies and odor monitoring

Assess, understand and control the impact of your odor emissions thanks to our odor dispersion modeling and odor pollution monitoring solutions.

OUR EXPERTISE

Odor nuisances, a complex challenge

Do you operate or support an odor-emitting site? Facing nuisances and complaints? Are authorities or residents asking you to implement actions to reduce your olfactory pollution?

NUMTECH helps you understand and track your odor impact.

Gêne olfactive à proximité d’une source d’odeurs
Expert NUMTECH analysant des données d’odeurs

Our offer

Our fields of intervention for odor emissions

Odor impact study: ensuring regulatory compliance

The olfactory impact of industrial emissions is regulated. Operators are required to reduce odor nuisances for nearby residents.

NUMTECH performs the olfactory impact study for your project and helps you understand and manage exceedances of regulatory thresholds.

We carry out odor dispersion studies using the most suitable models for your context.

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Cartographie et suivi des nuisances olfactives
Études pré-projet pour maîtriser les odeurs

Pre-project study to size your solutions and verify their effectiveness

Are you planning to cover diffuse sources, channel certain releases, or implement treatment installations?
Thanks to modeling, we can test the different technical solutions you are considering and help you with your investment decisions.

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Operational monitoring and forecasting of your odor impact

Our Plum'Air® software is designed to assess, understand and anticipate odor emissions to minimize their impact on the environment and your project.

  • Real-time assessment of odor emissions: Plum’Air® collects and analyzes field data to continuously assess odor intensity and origin.
  • Predictive model: The tool uses meteorological data and source characteristics to forecast impacts on nearby areas.
  • Visualization: Plum’Air® helps visualize and understand odor dynamics around your site (frequency, intensity, affected areas, etc.).
  • Decision-support tools: real-time alerts, recommendations for emission management, and detailed analysis reports.
Discover Plum'Air®
Plateforme de monitoring des odeurs Plum’Air®
Séparateur décoratif

NUMTECH

Modeling of atmospheric phenomena

To assess the dispersion of your odor releases, we use the most suitable atmospheric dispersion models. Our engineers and PhDs thoroughly analyze the key determining factors:

  • Odor section of the environmental authorization file (ICPE)
  • Sizing support and impact testing of technical treatment solutions
  • Communication in the event of complaints
  • Monitoring odor impact with expert software solutions designed by NUMTECH

Thanks to our atmospheric modeling expertise, we ensure optimal representativeness of results.

Visualisation cartographique des panaches d’odeurs

An atypical challenge or need for a tailor-made tool?

Our R&D teams can support you with a project eligible for the French Research Tax Credit (CIR).

They trust us:

F. A. Q

Do you have any questions?

FAQ nuisances olfactives – questions fréquentes
The European odor unit (ouE/m³) characterizes the overall odor strength of a plume, regardless of composition. Defined by standards, a value of 5 ouE/m³ is generally considered a nuisance threshold.
Open a dialogue: Odoreport lets residents report their perceptions directly. With Plum’Air® you can identify whether your site is responsible for the nuisances.
Several approaches are possible: measurement campaigns with our partners or leveraging existing environmental measurements. Let’s discuss!

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