Advanced Air Quality Monitoring with HORIBA’s AP-380 Analyzers

Air monitoring

Advanced Air Quality Monitoring with HORIBA’s AP-380 Analyzers

10 Sep, 2025

As industries face growing scrutiny over environmental impact, the need for comprehensive air quality monitoring has never been greater. It’s no longer enough to measure emissions at the stack. Regulators, communities and operators demand a clearer picture of ambient air quality where people live and work.

HORIBA meets this challenge with a full suite of solutions, offering QAL1-certified continuous emission monitoring systems (CEMS) in both stationary (e.g. ENDA-5000) and portable (e.g. PG-350 p-AMS) formats, as well as tools for ambient monitoring. Leading this effort is the new AP-380 Series - a QAL1-certified solution delivering precision and compliance to air quality monitoring beyond the stack.

Unlike direct emissions monitoring - where operators report stack data to authorities - air quality monitoring measures pollutants in the environment: around facility perimeters, near residential areas, and in zones influenced by traffic or domestic sources. These measurements are usually handled by government networks. However, in large industrial areas, operators often deploy fence line and ambient systems to detect elevated pollutant levels before affecting communities.

The AP-380 Series addresses these needs with high-precision, low-concentration gas measurement capabilities and the certifications required for compliance in both public and private applications.

HORIBA AP-380 Series: Built for Air Quality Monitoring

The AP-380 Series is engineered to provide accurate, real-time data for ambient and trace gas monitoring. It features HORIBA's cross flow technology for industry-leading stability with minimized drift. With five modular models, it supports diverse installation needs, from fixed stations in authority-run networks to mobile units for operator-driven fence line surveillance.

Each model detects key pollutants including NOx, SO₂, CO, O₃, and hydrocarbons - all critical indicators of air quality near industrial operations.

Optimized for Operational Efficiency

  • Remote operation and diagnostics minimize on-site maintenance and speed response in case of anomalies.
  • Internal parts timers with alerts enable proactive service scheduling.
  • Modular design allows quick field replacement of components, ensuring maximum uptime.

Sustainable and Regulation-Ready

The AP-380 meets stringent certification standards including TÜV, U.S. EPA, and MCERTS (pending), ensuring compliance in both Europe and the United States. Whether operating in a regulated air quality zone or managing emissions for permit compliance, the AP-380 delivers verified performance and reliability. Features include:

  • Low power consumption
  • UV LED light source for APOA-380 and excimer lamp for APNA-380 ozone generation (no mercury)
  • Various communication via RS-232 and LAN including Modbus, Bayern-Hessen, UIDEP and HORIBA’s APEN protocol
  • Options for calibration and validation

Simple Integration with Monitoring Networks

A 7-inch touchscreen, user-friendly interface, and multiple communication protocols (e.g. Modbus TCP/IP, Bayern/Hessen) enable smooth integration into existing data management systems. It also supports USB data extraction and compatibility with air quality monitoring stations or dilution-based CEM systems.

Prepare for the Future of Air Quality Compliance

Whether part of a public authority operating a regional network or an industrial operator implementing fence line monitoring, the HORIBA AP-380 Series provides the precision, flexibility, and compliance you need.

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