Mini Air Quality Stations
Combination of PM2.5, Ozone (O3), VOC and Nitrogen dioxide (NO2)
A lightweight yet high-performing air quality monitor that measures particulate matter plus up to three gases of interest. The AQS 1 is designed for short and long-term monitoring studies, equipped with cutting edge air monitoring software and is affordable enough to be deployed in small networks for a range of applications:
- Construction dust and emissions
- Roadside traffic emissions
- Rail corridor and terminal emissions
- Mapping ozone formation and distribution
- Air quality model validation
- Community exposure studies

AQS 1 – Smog Monitor
Buitenlucht Fijnstof PM2.5 en ozon monitor
The AQS1 is a compact air quality monitor designed to measure particulate matter (PM2.5) and ozone (O3), the two main criteria of air pollution (smog), in real time in the outdoor air.
- Measure the key indicators pollutants in photochemical smog
- Continuous real-time measurement of PM2.5 and ozone (O3)
- 1 part-per-billion (ppb) detection of ozone
- No cross-sensitivity to nitrogen dioxide (NO2)
- Upgradable to measure NO2, VOCs
- Very high correlation to US EPA reference analyzers
- Can be field calibrated for maximum traceability
- 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 (optional)
- Plug and play environmental sensors (optional)

AQS 1 Urban Air Quality Monitor PM2.5, Ozone (O3) and Nitrogen dioxide (NO2)
The AQS 1 is a compact air quality monitor focused on specific pollutants in the urban environment, fine particulate matter PM2.5, Ozone (O3) and Nitrogen dioxide (NO2).
- Measure the key pollutants of concern in the urban environment
- Monitor particulate matter (PM), nitrogen dioxide (NO2) and ozone (O3) at the same time
- Proven 1 part-per-billion (ppb) detection of O3 and NO2
- Highly selective O3 and NO2 measurements, no cross-interference
- Upgradable to measure VOCs if required
- Very high correlation to US EPA reference analyzers
- Can be field calibrated for maximum traceability
- 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 (optional)
- Plug and play environmental sensors (optional)

AQS 1 – Outdoor ozone monitor.
The AQS1 is a compact air quality monitor designed to measure real-time ozone (O3) in the outside air.
- Continuous real-time measurements of outdoor ozone
- 1 PPB (part per billion) ozone detection
- No sensitivity to nitrogen dioxide (NO2)
- Very high correlation with U.S. EPA reference analyzers
- Measures and reports data at 1-minute intervals
- Robust weatherproof housing with solar shield for very hot climates
- Quick to set up and move within 10 minutes

AQS 1 Remediation Air Quality Monitor – Fine dust (TSP, PM10 en PM2.5), VOC and optional Nitrogen dioxide (NO2)
The AQS 1 measures particulate matter (TSP, PM10 & PM2.5), volatile organic compounds (VOC) and optionally nitrogen dioxide (NO2) to monitor air quality at remediation and landfill sites.
- 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
- Set email / SMS alerts on parameters to easily identify exceedances
- Plug and play environmental sensors (optional)

AQS 1 Construction Air Quality Monitor
The AQS 1 is configured for the main pollutants present at construction and demolition sites and measures multiple particle fractions (TSP, PM10 and PM2.5) and nitrogen dioxide (NO2).
- Measure the key pollutants present at construction sites
- Monitor particulate matter (TSP, PM10 & PM2.5) and nitrogen dioxide (NO2) simultaneously
- Highly accurate part-per-billion (ppb) detection of NO2
- Upgradable to measure VOCs, 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)