Dust Sentry is a robust monitor with cutting edge software that makes outdoor dust monitoring easy:

  • Measures dust and particulate continuously
  • Real-time PM10, PM2.5, PM1 or TSP
  • Purpose designed for outdoors
  • Connect wind and noise sensors
  • Intuitive, user-friendly software
  • WIFI and cellular connectivity
  • SMS/email alerts, FTP, API
  • Battery/solar power compatible
  • Add gas measurements at any time
Dust Sentry SMS alerts



Dust Sentry PM10

A near reference real-time monitor that delivers defensible and accurate mass measurement of PM10. MCERTS certified and SCAQMD Rule 1466 Pre-Approved.

Dust Sentry PM2.5 Dust and Particulate Monitor

Dust Sentry PM2.5

A near reference real-time monitor for specific dust fractions. The Dust Sentry PM2.5 nephlometer-based instrument delivers defensible measurement of PM2.5.

Dust Sentry Pro - Dust and Particle Counter

Dust Sentry Pro

A multi-channel particulate monitor for aerosol profiling. It takes simultaneous measurements of PM10, PM2.5, PM1, TSP, and particulate counts for 8 channels.

Dust Sentry TSP - Dust and Particulate Monitor

Dust Sentry TSP

Designed for those who need to monitor and manage specific dust emissions continuously and in real-time. Measures Total Suspended Particulate (TSP).


Dust Monitoring 2.0: Meet the Dust Sentry integrated system

Dust Monitoring 2.0

Dust Sentry supercharges your dust monitoring program by giving you software tools that reduce your time on site and make it easy for you to keep everyone in the loop. Software isn’t an optional extra – it’s integral to every Dust Sentry unit. For ultimate convenience some customers choose to use our Cloud data service.

Here are some of the benefits you get:

  • Fast and simple set up
  • Connect to your Dust Sentry without going to site
  • View all data in one software platform (dust, wind, noise)
  • Get notifications when dust exceeds set limits
  • Keep your data secure
  • Track dust to source and take action
  • Remote troubleshooting and tech support
  • Integrate data with third party software via API
  • Manage users and permission levels

Connect is standard

Aeroqual Connect is the instrument operating system, a standard part of every Dust Sentry. Connect logs up to three years data on the instrument. Data can be accessed locally over WIFI / Ethernet or remotely via the internet (cellular optional). There is no software to install – simply open the browser of your phone, PC and tablet. From here you can configure, view data, calibrate, and log service visits in the journal.

Cloud is optional

For added convenience, we offer a cloud software service (Aeroqual Cloud). This allows you to view multiple Dust Sentries in a network. You can set up SMS/email alerts for when dust levels reach user-configurable limits. As the Dust Sentry owner, you can create as many users as you like and give them different permission levels – like view data only. Because data is backed up to the Cloud you can access it quickly from anywhere in the world, and no data ever gets lost. Cloud has the added benefit of giving Aeroqual and authorized service agents access for remote technical support.

Aeroqual Cloud/Connect Infographic


Dust Sentry is a purpose-build, robust, integrated and turnkey solution designed for optimal performance in rugged outdoor environments.

  • Purpose-designed enclosure rated IP65, with solar shielding armour and high reflectant powder coating, to reduce the thermal impact on measurement and components.
  • Rugged instrument designed to operate in the toughest environments, operating range -10°C to +50°C.
  • Plug and play environmental parameters, such as wind and noise, are easily integrated – and the data is viewed on the same software platform.
  • Robust nephelometer and sharp cut cyclones for precise dust measurement, producing defensible data.
  • Integrated heated inlet as standard, to reduce humidity effects on particulate measurement.
  • Wireless and cellular data connectivity for remote access. WIFI instrument network capability.
Dust Sentry purpose-built for outdoor dust monitoring


Industrial operators who need a cost-effective and robust solution to show particulate levels generated by site activities are within regulatory or permitted limits:

  • Construction and remediation
  • Industrial perimeter or fenceline monitoring
  • Quarry and mine operations
  • Port and bulk handling terminals
  • Waste management and landfill sites
  • Brownfield developments

Environmental consultants who require defensible particulate measurement for their clients’ air quality permits, EIA and Greenfield baseline studies, or who need to measure multi-channel PM size fractions.

Regulatory authorities who require deployable rapid response monitoring.

Environmental Health and Safety (EHS) managers who need to demonstrate that they are providing a safe work environment for people in their care.

Researchers who are on a limited budget and want to collect accurate, scientifically robust data.

Dust Sentry - who is it for


Dust Sentry

Dust Sentry combines a light scattering nephelometer and sharp cut cyclone to deliver defensible and accurate mass measurement of specific dust particles. It can be configured for PM10, PM2.5, PM1, or TSP.

Dust Sentry Pro

Dust Sentry Pro delivers simultaneous measurement of PM10, PM2.5, PM1, TSP, and particulate counts for 8 channels: 0.3, 0.5, 0.7, 1.0, 2.0, 3.0, 5.0, 10 microns.

Upgradable to measure gaseous pollutants

Dust Sentry can also be upgraded to measure VOCs, Ozone and NO2. Find out more on the AQS page.

Meteorological and environmental parameters

All Dust Sentry products have the option to integrate environmental sensors for:

  • Temperature
  • Humidity
  • Noise
  • Barometric pressure
  • Precipitation
  • Solar radiation
  • Wind speed and direction
Dust Sentry: Optional Environmental Sensors
Dust Sentry - what it measures


Co-location and MCERTS Standard

A co-location study of the Dust Sentry monitor demonstrates good correlation to U.S. EPA Federal Equivalent and Federal Reference Methods. The study also evaluated the Dust Sentry PM10 monitor to meet the criteria of the UK Environmental Agency MCERTS Standard for Indicative Ambient Particle Monitors.

Two Dust Sentry monitors with PM10 sharp cut cyclones were co-located with two PM10 EPA designated Federal Equivalence Method Beta Attenuation Monitors (BAMs) and a PM10 Partisol® sampler, a Federal Reference Method.

The results

The monitors were installed at a National Environmental Standard monitoring site in Nelson, New Zealand for 55 days from 28 July until 20 September 2012. Overall the results show that the Dust Sentry performed well in relation to the BAMs and each other. In summary:

  • Dust Sentry 1 showed good correlation: R2 = 0.84
  • Dust Sentry 2 showed good correlation: R2 = 0.81
  • Both Dust Sentry monitors showed very strong linearity with correlation: R2 = 0.99
  • Averaged difference between the two Dust Sentry monitors: 1.69 μg/m3
  • Difference between the average of both Dust Sentry monitors and the average of both BAMs: 3.25 μg/m3
  • The Dust Sentry met the uncertainty requirements for the MCERTS Standard and achieved certification.

For the full report please email us.

Co-location Dust Sentry Monitors
Dust Sentry Monitors vs BAMs



SCS Engineers

Air Monitoring at remediation site to comply with SCAQMD Rule 1466.

SISK Group - Wembley City Regeneration project using Aeroqual Dust Sentry monitors

Wembley City Regeneration

Construction compliance with dust emission guidelines.

Ridley Coal Terminals case study

Ridley Coal Terminals

Coal bulk terminals emissions management.

Emirates Aluminium - Aeroqual case study

Emirates Aluminium

Dust monitoring at world’s largest aluminium smelter.


Portable outdoor air quality monitor

PM10 /PM2.5 Portable Particulate Monitor

The portable particulate monitor is a handheld device for indicative and simultaneous measurement of PM10 and PM2.5 in ambient outdoor or indoor environments. It’s designed for checking pollution hotspots, ambient air quality surveys and validating air quality models.

This popular handheld device is also featured in our Outdoor Air Quality Test Kit, and includes interchangeable gas sensor heads for criteria air pollutants.


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