Results 11 to 20 of about 9,897,312 (274)

AirFocus (Online); Air focus; AirFocus

, 2005
Annual, 2007-; Quarterly, -Fall 2006; Electronic coverage as of Sept. 18, 2009: Issue Fall 2005-issue Fall 2006; issue 1, 2007-; "News you can use from the Ohio Air Quality Development Authority."; Description based on: Issue Fall 2005, title from ...

core   +16 more sources

Low-Cost Air Quality Sensors: One-Year Field Comparative Measurement of Different Gas Sensors and Particle Counters with Reference Monitors at Tušimice Observatory

Atmosphere, 2020
With attention increasing regarding the level of air pollution in different metropolitan and industrial areas worldwide, interest in expanding the monitoring networks by low-cost air quality sensors is also increasing.
Petra Bauerová, Adriana Šindelářová, Štěpán Rychlík, Zbyněk Novák, Josef Keder   +4 more
doaj   +2 more sources

High-Resolution Assessment of Air Quality in Urban Areas—A Business Model Perspective

Atmosphere, 2021
The increasing availability of low-cost air quality sensors has led to novel sensing approaches. Distributed networks of low-cost sensors, together with data fusion and analytics, have enabled unprecedented, spatiotemporal resolution when observing the ...
Klaus Schäfer, Kristian Lande, Hans Grimm, Guido Jenniskens, Roel Gijsbers, Volker Ziegler, Marcus Hank, Matthias Budde   +7 more
doaj   +2 more sources

Internet of Things (IoT) Enabled Air Quality Monitoring System for Conventional and UAV Application [PDF]

Nature Environment and Pollution Technology, 2022
The purpose of this research is to make a system to read the air quality by detecting the various gases existing in the air by using Arduino UNO and node MCU module for conventional as well as UAV applications.
V. Vinoth Kumar and G. Sasikala
doaj   +1 more source

Performance Evaluation of IoT Sensors in Urban Air Quality Monitoring: Insights from the IoT Sensor Performance Test [PDF]

BIO Web of Conferences
In this paper, we report on extensive experiments conducted to evaluate Internet of Things (IoT) sensor performance in monitoring urban air quality. As certified sensors showed a considerably reduced air quality measurement error of 4.3% compared to ...
Blinova Tatiana, Singh Chauhan Sanjay, Singla Tara, Bansal Shweta, Mittal Apeksha, Yellanki V. Sahithi   +5 more
doaj   +1 more source

A Nairobi experiment in using low cost air quality monitors

Clean Air Journal, 2019
Many African cities have growing air quality problems, but few have air quality monitoring systems in place. Low cost air quality sensors have the potential to bridge this data gap.
P deSouza, V Nthusi, J.K Klopp, b.e Shaw, W.O Ho, J Saffell, R Jones, C Ratti   +7 more
doaj   +1 more source

AN INTEROPERABLE ARCHITECTURE FOR AIR POLLUTION EARLY WARNING SYSTEM BASED ON SENSOR WEB [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Environmental monitoring systems deal with time-sensitive issues which require quick responses in emergency situations. Handling the sensor observations in near real-time and obtaining valuable information is challenging issues in these systems from a ...
F. Samadzadegan, H. Zahmatkesh, M. Saber, H. J. Ghazi khanlou   +3 more
doaj   +1 more source

Statistics of a Sharp GP2Y Low-Cost Aerosol PM Sensor Output Signals

Sensors, 2020
In this work, we characterise the performance of a Sharp optical aerosol sensor model GP2Y1010AU0F. The sensor was exposed to different environments: to a clean room, to a controlled atmosphere with known aerosol size distribution and to the ambient ...
Klemen Bučar, Jeanne Malet, Luca Stabile, Jure Pražnikar, Stefan Seeger, Matjaž Žitnik   +5 more
doaj   +1 more source

Calibration of CO, NO₂, and O₃ Using Airify: A Low-Cost Sensor Cluster for Air Quality Monitoring

Sensors, 2021
During the last decade, extensive research has been carried out on the subject of low-cost sensor platforms for air quality monitoring. A key aspect when deploying such systems is the quality of the measured data.
Marian-Emanuel Ionascu, Nuria Castell, Oana Boncalo, Philipp Schneider, Marius Darie, Marius Marcu   +5 more
doaj   +1 more source

Use of VOC sensors for air quality control of building ventilation systems [PDF]

Journal of Sensors and Sensor Systems, 2015
Air quality control with VOC (volatile organic compound) sensors in residential buildings could increase user comfort by adapting to the actual contaminant level.
M. Großklos
doaj   +1 more source