The Aeroqual AQS 1 Air Quality Monitor provides simultaneous measurement of multiple particle mass (PM) size fractions and airborne gas pollutants with near-reference accuracy. Housed in a rugged, weatherproof enclosure and featuring a modular design, it allows you to add or subtract pollutant modules according to the needs of your specific project. The AQS 1 is a compact air quality monitor that deploys in minutes and connects to our range of air monitoring software solutions, delivering remote, real-time data you can trust.