Aeroqual AQS 1 Smog Monitor

Aeroqual AQS 1 Smog Monitor

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The AQS 1 is a compact ‘smog monitor’ designed to measure the key ingredients of photochemical smog – PM2.5 and ozone (O3). Using Aeroqual’s patented sensor technology the AQS 1 delivers very accurate measurements at a price that is well below traditional ambient air monitoring equipment.

Air quality professionals and researchers use the AQS 1 smog monitor to better understand the spatial and temporal distribution of ozone and PM2.5 which are two of the most important pollutants. PM2.5 is often the most damaging pollutant during winter; ozone is often the most harmful during summer. They are also key contributors to photochemical smog.

The AQS 1 combines a robust nephelometer, PM2.5 sharp cut cyclone, and Aeroqual’s industry-leading GSS ozone sensor technology. The monitor performs to Near Reference levels yet costs much less than comparable analyzers; it is also lightweight and can be installed and moved with ease.

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 can be configured to measure particulate matter (TSP, PM10, PM2.5, PM1) and up to three gases (O3, NO2, VOCs) simultaneously. Because it is modular, you may order the unit with just PM2.5 for example, and add ozone or another gas at a later date (without returning to the factory).

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.

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

Onboard 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)


Urban air monitoring networks

National air monitoring networks

Short term monitoring of ‘hot spots’

Community exposure: epidemiological studies, microenvironment, residential, schools, hospitals

Environmental Impact Assessments

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Weight 28.613
Weight MetriclbsKg
Dimensions19H x 13W x 7.4D in483H x 330W x 187D mm
Manuals & Data Sheets