AQ low-cost sensors & Environmental Informatics

This is the web site of the Air Quality low-cost sensors monitoring R&D activities of the Environmental Informatics Research Group at the School of Mechanical Engineering, Aristotle University of Thessaloniki, Greece

We are running an AQ monitoring intercomparison exercise with instruments installed at the rooftop of building 12d at the School of Mechanical Engineering, AUTh. The intercomparison started early 2018, runs (with interruptions) throughout the year until today, and aims at the investigation of the performance of AQ sensor nodes under mediterranean conditions.

The physical location of the installation is at 10 m height within the heart of the city, with a typical city traffic background (location map).


The Aeroqual instruments providing input to the AID system

The kunak node (via local distributer GRECiOT)


The KASTOM project sensor node


The KASTOM project sensor node

The AQmesh Pod

The PurpleAir sensor node

The Airly sensor node (was offline for the 2 years, now online)

The Vaisala AQT 420 sensor node (uninstalled)

MONITARSENSE, an air quality device coming from Portugal, that monitors NO2, CO and O3 as well as PM10 concentration levels (currently back to manifcturer)

The PM10/PM2.5 sensor node of Comonet Sp. z o.o (currently offline)

The Libelium sensor node (uninstalled)

The AQY Aeroqual sensor node (currently moved to another location)

The prorotype aerosol sensor node

(MSc project, FMI, uninstalled)

Scientifically Responsible:

Dr. Kostas Karatzas (email: kkara and then add the proper symbol and auth[dot]gr


PhD students

  • Theodosis Kassandros

  • Vaggelis Bagkis