AQS 1 Remediation air quality monitor
AQS 1 remediation air monitor on siteAQS 1 remediation air quality monitor on site


  • Measure the key pollutants found at site remediation and landfill projects
  • Monitor particulate matter (TSP, PM10 & PM2.5), volatile organic compounds (VOC) and optional nitrogen dioxide (NO2) simultaneously
  • Highly accurate part-per-billion (ppb) detection of VOCs and NO2
  • Upgradable to measure O3 if required
  • Excellent correlation to US EPA reference analyzers
  • Can be field calibrated for maximum traceability
  • PM inlet heater to compensate for humidity effects
  • Measures and reports data in 1-minute intervals with user selectable averaging
  • On board storage for over 5 years of data
  • Rugged weatherproof enclosure with solar shielding for very hot climates
  • Quick set up and relocation in under 10 minutes
  • Email / SMS alerts and FTP data export
  • Plug and play environmental sensors (optional)


  • On-site remediation; soil aeration; regulated landfills
  • Compliance monitoring; consents/license requirements
  • Remediation Management Plans (RMP)
  • Environmental Impact Assessments
  • Industrial and occupational hygiene
  • Health, Safety and Environmental (HSE)

The AQS 1 Remediation Air Quality Monitor is a professional ambient air monitor specifically configured to measure key pollutants found at remediation sites simultaneously: multiple particle fractions (TSP, PM10 and PM2.5), volatile organic compounds (VOC), and nitrogen dioxide (NO2).

TSP and PM10 emissions, including dust, are generated from demolition, excavation, soil aerating, recycling and from bulk material stockpiling and transfer. Fine particles such as PM2.5 are emitted in the exhaust from diesel-powered machinery and equipment.

VOCs are often released from contaminated soil during excavation, in-situ aerating, stockpiling and during haulage to regulated landfills.

On-site remediation and landfills also generate NO2 and NOx emissions from industrial trucks, excavators, loaders, bulldozers, off-road machinery such as pumps and generators.

HSE managers, environmental consultants and industrial hygienists use the AQS 1 Remediation Air Quality Monitor for compliance monitoring, to meet requirements of Remediation Management Plans, to conduct environmental impact assessments and to ensure sensitive receptors such as workers and the community are not at risk from air pollution.

The AQS 1 can be integrated with noise monitors, weather stations, and vibration sensors, plus our remote data acquisition system, for the complete air quality package for site remediation projects.

The AQS 1 can be configured to measure particulate matter (TSP, PM10, PM2.5, PM1) and up to three gases (O3, NO2, VOCs) simultaneously. For specific applications, see our other pre-configured AQS 1 monitors: AQS 1 ConstructionAQS 1 Urban, AQS 1 Smog.

The AQS 1 combines a robust nephelometer, sharp cut cyclone, and Aeroqual’s industry leading GSS ozone sensor technology. It uses a patented method to correct for ozone interference on the electrochemical NO2, a well known issue with all electrochemical NO2 sensors. In so doing, the monitor performs to Near Reference levels, producing data of superior quality to other sensor-based instruments.

The AQS 1 is a fully integrated monitor. Housed in a rugged, lockable weatherproof enclosure, it includes an embedded PC and full software system for remote technical support, data management and analytics.

The AQS 1 is supported by a global distribution network, meaning you’re never too far from a skilled technician ready to provide assistance and spare parts. In addition Aeroqual’s online training system is free to all our customers, meaning you can become an expert on your AQS system before it even arrives.

Once the instrument operating system is installed, Aeroqual Connect lets you access data, assess performance and diagnose faults remotely (if you choose to give us access, we can help with that too). Aeroqual Cloud offers even greater levels of convenience with enhanced browsing speeds, multiple user management, fail-safe backup, email and SMS alerts and access to your data even when your instrument is offline.

In future we will add new gas modules to the AQS 1 – to register your interest please tell us about your application.

  • Weatherproof lockable IP65 enclosure with integrated aluminium solar shields
  • Gas Inlet: Teflon, glass-coated stainless steel tubing, stainless steel fittings
  • Gas Sampling System (brushless DC pump, sampling system)
  • Volatile organic compounds (VOC) PID gas module with integrated zero cycle
  • Optional nitrogen dioxide (NO2) GSE gas module with integrated zero cycle
  • Forward light scattering Nephelometer or Optical Particulate Profiler
  • Particle fractions available: TSP, PM10, PM2.5, PM1
  • Heated sampling inlet
  • Particle Sampling System (brushless DC pump sampling module)
  • 100-250V AC power supply and 12V DC input
  • Pole and wall mount brackets
  • Communications: Ethernet, WIFI
  • Embedded PC (Intel Atom, 1.6GHz, dual core, 2GB RAM, 32GB SSD hard drive)
  • Aeroqual Connect instrument operating software
  • Aeroqual Support, web-based software (free subscription, unlimited users)
  • Documentation (Hard Copy: User Guide, Calibration Certificate; Soft Copy on USB stick)
  • Manufacturer’s Standard 12 month Warranty
  • Unlimited access to Aeroqual’s Online Training System
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  • Nephelometer Filters
  • Flowmeters
  • Zero Filter & Flow Assembly

If you have a question about this product, it may be covered in the FAQs section.

These cover the most common questions you may have when deciding if this is the right product solution for your air monitoring requirements.

If you can’t find what you’re looking for, please get in touch and our team will respond within 48 hours.

Remediation Blog
Remediation NYC

Air Monitoring at Remediation Sites – What I learned from a visit to Gowanus, NYC

Environmental site remediation deals with the removal of pollution or contaminants from soil, groundwater, sediment, or surface water. It includes systematic steps involving detection, investigation and hazard assessments of suspected contaminated sites.

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