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Air quality monitoring networks

Home » Air quality monitoring networks

The control and monitoring of the air quality must be carried out with the highest precision to guarantee the suitability of the information on the pollutant parameters of the environment. ENVIRA IoT has a long history in the development of tailored solutions for the implementation and maintenance of air quality monitoring networks.

Components of air quality networks

The solution for air quality monitoring networks consists of:

  • Continuous monitoring through a network of on site or mobile stations distributed in different points of the areas studied (city, Autonomous Community, industrial zones, sensitive areas, etc.).
  • Data acquisition and communication systems.
  • Control center: Envira DS software.
  • Alarm systems.
  • Smart data validation
  • Information systems to the public.

Continuous monitoring

Continuous monitoring is usually done through a network formed by a set of on site or mobile stations properly isolated (thermally and acoustically) in order to ensure the suitability of the working conditions of the analyzers and auxiliary systems located inside.

These stations incorporate systems for capturing samples and automatic analyzers for measuring contaminating parameters whose characteristics may vary depending on the area, whether urban, industrial, or deep underground, etc.

According to current regulations, the most common monitored parameters are sulfur dioxide (SO2), nitrogen oxides (NO2 / NO / NOX), carbon monoxide (CO), tropospheric ozone (O3), benzene and suspended particles. (PM10 and PM2.5). It is also possible to monitor other pollutants such as volatile compounds, hydrogen sulfide (H2S), hydrogen fluoride (HF), metals (cadmium, lead …), Black Carbon, etc.

After a global analysis of the problematic object of study, the most appropriate analytical parameters and analyzers are selected to obtain accurate measurements. In addition, measures of complementary meteorological parameters are also implemented , such as wind speed and direction, temperature, relative humidity, pressure, solar radiation and precipitation.

Continuous monitoring is performed with analyzers that are based on reference methods that produce comparable results and with certified equipment that has passed strict certification tests by accredited laboratories and following the reference standards established by the authorities.

Data acquisition and communication systems

The data is recorded and stored in advanced computer systems for data acquisition to be sent in real time to the ENVIRA DS control center. All this through secure transmissions to ensure the integrity of the data and prevent possible manipulations. The most commonly used types of communication in background air quality networks are:

Control center: ENVIRA DS

It is the heart of any air quality network. The tasks performed are:

  • Control and continuous evaluation of air quality.
  • Information to citizens about episodic situations.
  •  Support for the study of air quality.
  •  Long-term spatio-temporal evolution of air pollution.
  • Generation of reports, alerts and alarms.
  • Validation and exploitation of the data.

The control center, adapted to current legislation, incorporates the regulations into a Data Regeneration Module that includes all European legislation that is specific to each of the parameters.

Warning systems

Envira DS has a powerful system for managing situations when regulatory levels are exceeded.

These systems are customized to the specific requirements of each client, both in terms of calculation methods and information sent to interested parties.

The system allows sending personalized messages to users based on various parameters such as pollutant, affected area, etc.

Smart data validation

ENVIRA has developed an Artificial Intelligence tool for the early detection of anomalies in the operation of instruments for air quality monitoring networks.

The system has algorithms, particularized for each type of sensor, that analyze the input data and informs the operator of possible anomalies to avoid an improper use of them in case there is suspicion that they are incorrect.

Information for the public

Air quality monitoring networks have various information systems for the public, such as web pages, mobile applications and information panels.

These systems provide the population with updated air quality information easily, simply and visually.

The data is sent to all these systems automatically through programs specifically designed by ENVIRA IoT.

Advantages

The main advantages of air quality networks are:

Open and integrable solution with external developments in any layer (device level, connectivity, CLOUD or user application).

It allows unlimited number of devices that can be included in future extensions.

High reliability and availability data evaluation in real time.

Tailored system.

Total adaptation and integration with the systems of public administrations.

Creation of data history for administrations.

Do you want to know more about Air quality monitoring networks?

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