Airyx

What Airyx does

Airyx GmbH is a privately held German manufacturer of precision spectroscopic gas measurement instruments, founded in 2017 as a spin-off from the Institute of Environmental Physics at Heidelberg University. The company designs and produces instruments based on Differential Optical Absorption Spectroscopy (DOAS) and its proprietary Iterative Cavity-Enhanced DOAS (ICAD) method, achieving sub-ppb detection limits without calibration gases. Its product portfolio includes ICAD in-situ NOx and HONO/NO2 analyzers, the SKYSPEC family of passive MAX-DOAS remote sensing systems, Open Path DOAS instruments (including a dedicated ammonia analyzer), and the WGA020 wastewater gas analyser for N2O, CH4, CO2 and O2 monitoring.

The company's go-to-market combines direct sales from its Heidelberg/Eppelheim headquarters with a selective global distributor network spanning Western Europe, Eastern Europe, and Asia (including China, India, Vietnam, Indonesia). Revenue derives from hardware sales of scientific instruments, professional measurement services (Plume Chasing real-driving emissions, ship emission monitoring, NOx immission studies), and instrument rental. Customers include European environmental and transport regulatory authorities, universities and atmospheric research institutes, wastewater treatment operators (notably SUEZ Group), and NGOs such as the International Council on Clean Transportation.

Airyx competes on calibration-free operation, long-term stability, and rugged field deployment, backed by 100+ peer-reviewed publications validating its technologies. The company participates in the SEICOR consortium (2023-2026) with TU Munich and University of Bremen for ship emission monitoring, and is expanding its footprint in wastewater treatment and ammonia monitoring markets through targeted product launches.

Name

Airyx

Legal name

Airyx GmbH

Website

https://airyx.de

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Short description

Airyx GmbH manufactures precision spectroscopic gas measurement instruments based on proprietary DOAS and ICAD technology, serving environmental regulators, research institutions, and industrial operators across Europe and Asia with a global distributor network.

Ownership category

akta.pro rank

Headquarters

HQ city

Eppelheim

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Supply Chain, Operations, Marketing or Sales

Revenue model

1. Gas Measurement Instruments: Sale of specialized gas measurement instruments including ICAD in-situ analyzers, SKYSPEC passive remote sensing systems, Open Path DOAS instruments, and WGA020 wastewater gas analyzers. Products are sold directly and through distributor network globally.
2. Measurement Services: On-road driving emission measurements using Plume Chasing method, NOx immission studies, ship emission monitoring, and instrument rental services.
3. Instrument Rental: Rental of mobile and easy-to-operate gas measurement instruments for customer applications.

Go-to-market motion1 record

Distribution channels9 records

Marketing channels10 records

Core offering

Airyx manufactures and sells high-precision gas measurement instruments based on proprietary DOAS (Differential Optical Absorption Spectroscopy) technologies for industrial, regulatory, and scientific applications. Core product families include ICAD in-situ analyzers for NOx and HONO/NO2, SKYSPEC passive MAX-DOAS remote sensing systems, Open Path active remote sensing instruments (including an ammonia analyzer), and the WGA020 wastewater greenhouse gas analyser. The company also provides field measurement services (Plume Chasing real-driving emissions, ship emission monitoring, NOx immission studies) and instrument rental.

Product overview

Airyx offers a portfolio of advanced gas measurement instruments and measurement services for environmental monitoring. The core product lines include: (1) ICAD (Iterative Cavity DOAS) in situ analyzers for NOx and HONO/NO2 measurements with sub-ppb sensitivity; (2) SkySpec passive remote sensing systems for MAX-DOAS vertical trace gas profiling available in 1D, 2D, and Compact variants, with supporting Evaluation and Imaging software packages; (3) Open Path remote sensing instruments including the ammonia-specific OPC-UV3-DL-301 and hybrid MAX-DOAS systems; (4) the WGA020 wastewater gas analyser for N2O, CH4, CO2, and O2 monitoring in wastewater treatment plants. Service offerings include Plume Chasing real-driving emission measurements, ship emission monitoring, immission studies, and instrument rental. All instruments are designed for field deployment with emphasis on calibration-free operation, low maintenance, and temperature stability.

Differentiator

Problem solved

Functional benefit

Products and services

• ICAD NOx Analyzer (ICAD-NOx-210D) Precise and mobile in-situ NOx monitor using Iterative Cavity DOAS (ICAD) spectroscopy for real-time nitrogen oxide measurements, designed for operational and mobile applications with low power consumption and rugged design.
• ICAD HONO/NO2 Analyzer (ICAD-HONO/NO2-210L) Direct nitrous acid (HONO) and nitrogen dioxide (NO2) analyzer providing sub-ppb sensitivity with 1-second time resolution using high-resolution Iterative Cavity DOAS spectroscopy. No calibration gas required; uses optical measurement principle with automatic zero checks and temperature-stabilized optics.
• SkySpec Passive Remote Sensing Passive remote sensing system for vertical trace gas profiles and aerosol optical depth using scattered sunlight spectroscopy (MAX-DOAS), detecting gases including NO2, SO2, HCHO, HONO, O3, Glyoxal, and aerosols. Available in 1D, 2D, and Compact variants.
• Open Path Remote Sensing (OPC) Active remote sensing system using UV-VIS spectroscopy for open-path gas measurements, providing real-time concentration data without sampling line losses.
• Open Path Hybrid MAX-DOAS Hybrid open-path MAX-DOAS instrument combining active and passive remote sensing capabilities for enhanced flexibility in atmospheric monitoring applications.
• Open Path Ammonia Analyzer (OPC-UV3-DL-301) Contact-free NH3 monitoring system using UV DOAS technology over 20-150m open paths with a stable deuterium lamp. Multi-path operation with motorized telescope head, IP64 enclosure with heating and dew-point monitoring. Detection limits: 1 ppb NH3 (at 100m, 5min averaging), 4 ppb NO, 5.5 ppb SO2. Calibration-free operation.
• WGA020 Wastewater Gas Analyser Real-time wastewater greenhouse gas analyzer for N2O, CH4, CO2 and O2 monitoring using NDIR spectroscopy and electrochemical sensors. Features integrated total-flow sensor for automatic emission rate calculation, sample-air drying, cross-interference correction, IP64 enclosure, and gas-bottle-free operation. Designed for denitrification basins, emission reporting, and continuous process optimization in wastewater treatment plants.
• Plume Chasing Real Driving Emissions Service On-road driving emission measurement service using the Plume Chasing method with ICAD instruments mounted on vehicles, providing real-time NOx, PN (particle number), and BC (black carbon) measurements for cars, buses, and trucks. Enables identification of high-emitting vehicles for enforcement purposes.
• Ship Emission Monitoring Service Determination of ship NOx emission factors using ICAD in-situ NOx/CO2 analyser. Supports monitoring within Emission Control Areas (ECAs) and inland waterway shipping compliance verification per IMO requirements as part of the SEICOR research project.
• NOx Immission Studies Service Planning and implementation service for NOx immission studies including data analysis and final report preparation for regulatory and research applications.
• Instrument Rental Service Rental service for mobile and easy-to-operate gas measurement instruments for various applications including research, regulatory monitoring, and industrial deployments.

Quantifiable outcome

• Sub-ppb detection limits: HONO 0.08 ppb, NO2 0.16 ppb (60s averaging)
• +4 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Eleven partnerships are on record, tiered core and minor.

• Technische Universität MünchencoreStrategic or Co-development Partner · 1 January 2023Research partner in SEICOR project for monitoring ship emissions using calibration-free optical remote sensing. TU Munich collaborates on development of flexibly deployable measuring instruments for operational monitoring of SO2 and NOx emission factors in maritime shipping.
• Universität BremencoreStrategic or Co-development Partner · 1 January 2023Research partner in SEICOR project. University Bremen contributes to the development of measuring instruments for ship emission monitoring in accordance with IMO requirements.
• Bundesamt für Seeschifffahrt und HydrographieminorStrategic or Co-development PartnerAssociated partner in SEICOR project for maritime shipping emission monitoring.
• Bundesanstalt für GewässerkundeminorStrategic or Co-development PartnerAssociated partner in SEICOR project for inland waterway shipping monitoring.
• Duisport - Duisburger Hafen AGminorStrategic or Co-development PartnerAssociated partner in SEICOR project for port operations and maritime traffic node optimization.
• Bremenports GmbHminorStrategic or Co-development PartnerAssociated partner in SEICOR project for maritime emission monitoring.
• MEGATEC SAScoreChannel Partner/ Reseller/ DistributorExclusive distributor for France with over 30 years of expertise in ambient air quality monitoring, emission measurements, and technical instrumentation. Provides sales, installation, and maintenance services for research institutions, environmental agencies, regulatory authorities, and industry leaders across French-speaking countries.
• Green Light Research SLUcoreChannel Partner/ Reseller/ DistributorDistributor for Spain and Portugal with over 20 years of expertise in ambient air quality monitoring and emission measurements. Supports research institutions, environmental agencies, regulatory authorities, and industry leaders throughout south-west Europe.
• STABO-Tech Ltd.coreChannel Partner/ Reseller/ DistributorDistributor for Bulgaria and Western Balkans. Successfully completed first SKYSPEC installation and training at University of Plovdiv.
• SUEZ GroupcoreChannel Partner/ Reseller/ DistributorFirst Airyx WGA installation in France at a SUEZ-operated wastewater treatment plant. SUEZ is implementing the WGA system for detailed investigation of greenhouse gas emissions with focus on nitrous oxide (N2O) monitoring.
• International Council on Clean Transportation (ICCT)coreStrategic or Co-development PartnerCollaboration on vehicle emission study in Uganda where Airyx provided instruments, installation, and training. Partnership demonstrates technology deployment capabilities in developing regions.

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Picarro: Picarro manufactures cavity ring-down spectroscopy (CRDS) gas analyzers for atmospheric monitoring, emissions quantification, and environmental compliance — directly comparable to Airyx's ICAD and DOAS instruments in sensitivity and target use cases (greenhouse gases, trace gas detection).
• Aerodyne Research: Aerodyne produces research-grade trace gas and aerosol instrumentation (e.g., TILDAS, QCL-based spectrometers) used by atmospheric researchers and regulatory agencies — comparable scientific-grade customer base and product positioning to Airyx's ICAD and SkySpec lines.
• Opsis AB: Swedish DOAS specialist providing open-path and MAX-DOAS monitoring systems for air-quality networks across Europe — the closest direct competitor on DOAS-based remote sensing technology.
• LI-COR Biosciences: LI-COR manufactures high-precision gas analyzers (LI-7810, LI-8100A) for trace gas and soil-flux measurements using optical spectroscopy — overlapping product category and research-customer base.

Broad incumbents

• Sick AG: German industrial sensor and gas analyzer manufacturer offering broad emissions-monitoring product lines to industrial and regulatory customers — overlapping technology but as part of a much wider industrial sensing portfolio.
• HORIBA: Global analytical instrument maker with vehicle-emissions testing stacks and ambient air monitoring solutions — competes with Airyx Plume Chasing and stationary emission-monitoring products from a broad instrument portfolio.
• Thermo Fisher Scientific: Largest analytical instrument manufacturer globally; offers gas analyzers (e.g., Thermo iQ, 42i NOx) competing with Airyx's ICAD NOx/HONO analyzers across environmental, industrial, and research customers.
• ENVEA (formerly Environnement SA): European environmental monitoring specialist providing CEMS, ambient air quality, and process gas analyzers — competes across Airyx's stack and ambient monitoring use cases from a broader portfolio.

Emerging players

• Aclima: Mobile and stationary air-quality sensing platform focused on hyperlocal pollution mapping — emerging player in mobile air-quality measurement with overlapping application in urban emission mapping.

Others

• MKS Instruments (Spectra-Physics / ESI): Photonics and optical-instrumentation conglomerate whose spectroscopy subsegments (e.g., ESI, formerly Cascade Technologies) compete in research-grade gas-detection — adjacent/ecosystem participant in spectroscopy supply.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/airyxgmbh
• Instagraminstagram.com/airyx.de

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Airyx