What is and how air quality is measured

What is and how air quality is measured

By Dr. Kyle Muller

Did you know that lichens and some plants are able to measure air quality in a natural way? Known as Air quality bioindicatorsthese organisms grow and proliferate in those environments in which the air has optimal quality. Therefore, it is common to observe that there are hardly any bioindicators in the large cities and main urban nuclei on the planet, in which the pollution of air quality has become a serious problem of growing adversity.

In this ecology article, you will learn What is and how air quality is measuredor what is the same how air pollution is measured to know its levels, and you will find examples of air quality rates used in some of the large metropolis.

What is air quality

From Air quality study It is possible to know the composition and concentration of the multiple gases and particles that are scattered in the atmosphere. These elements must be in a certain proportion to comply with The optimal equilibrium and quality of airthat is, the one that allows the healthy development of living beings in their habitat.

Various factors directly and indirectly affect such air quality, among which various weather variables, such as temperature, humidity, winds, rainfall, solar radiation and atmospheric pressure, which condition the dispersion and chemical reactions characteristic of the elements present in the air. To expand this information, we recommend you read this other post about why air for living beings is important.

In the next sections we will see how air quality is measured, both in exterior and interior environments.

What is air quality is measured and what is the air quality

How air quality is measured in cities

More and more cities include Air quality monitoring systems as an environmental strategy to control and inform about Status of air pollution in urban nuclei and surroundings.

These monitoring systems allow to directly supply the air quality data collected to the World Environmental Surveillance System (Gems). Thus, records and inventories of the different sources and types of air polluting elements are created, with the aim of maintaining effective air quality control programs. The main polluting elements detected in air quality surveillance stations are usually:

  • Sulfur monoxide (SO).
  • Nitrogen dioxide (NO2).
  • Carbon dioxide (CO2).
  • Ozone (O3).
  • Total suspended particles (PST).

How can I know the air quality of my city

With the aim of informing the population daily about the air quality of the cities in which they live, more and more the metropolis they use Air quality indices available for public consultation. Below we present some examples of official networks of air quality monitors in charge of spreading daily Information on air quality and air pollution in large cities:

  • Air quality web portal of the Madrid City Council.
  • Current state of air quality in Barcelona.
  • Air quality map in Monterrey.
  • Daily air quality monitoring data in Buenos Aires.

What is air quality is measured and how can I know the air quality of my city

Image: Ajuntament of Barcelona, ​​Qualitat de l’Aire.

How air quality is measured at home

Did you know that people spent about 80-90 % of our time in closed environments? And without a doubt, our houses are one of the main closed places in which we are longer, so having a quality air inside is very important to prevent some diseases.

Generally, the presence of air pollutant agents In our houses it depends both on the activities that we carry out inside (smoking, using chemicals, being exposed to moisture and allergens, etc.), and predominant construction products and materials and the amount of air pollutants from abroad that reach houses through ventilation or infiltration systems.

At present, there are different devices capable of Measure and control air quality at homeamong which the IoT and Nanoenvi Iaq models stand out. These sophisticated devices monitor and in real time the air quality, alerting when it is necessary to ventilate the house and make possible the control of their sensors through mobile applications.

Consequences of air pollution

There is a negative relationship between air pollution and the effects on people’s health and the environment. Various clinical studies determine how to be exposed daily to an excess of polluting particles of the air entails various health effects. Some of the Consequences of air pollution for our health are:

  • Respiratory problems
  • Increase in allergies.
  • Dermal problems and infections.
  • Heart disease.
  • Lung cancer.
  • Strokes.
  • Chronic obstructive pulmonary disease (COPD).

If you want to learn more about this negative relationship between air pollution and our health, you can consult these other ecology articles about health problems due to air pollution, which includes an report, and air pollution: causes, consequences and solutions.

Also, in situations of alert and emergency for air pollutionnot only people are affected, but also the other living beings that breathe the gases present in the contaminated atmosphere.

If you want to read more articles similar to What is and how air quality is measuredwe recommend that you enter our pollution category.

Literature
  • ANZE, R. et al., (2007) Bioindicators in the detection of air pollution in Bolivia. Virtual Neda Virtual MagazineVolume 1 (1).
  • Carazo, L. et al., (2013) Inner air pollution and its impact on respiratory pathology. Broncneumology Archives Magazine, Spanish Society of Pneumology and Thoracic Surgery. Volume 49 (1), pp: 22-27.
  • Lacassaña, M., Aguilar, C. & Romieu, I. (1999) Evolution of air pollution and impact of control programs in three mega cities in Latin America. National Institute of Public Health of Mexico. Volume 41 (3), pp: 203-214.
Kyle Muller
About the author
Dr. Kyle Muller
Dr. Kyle Mueller is a Research Analyst at the Harris County Juvenile Probation Department in Houston, Texas. He earned his Ph.D. in Criminal Justice from Texas State University in 2019, where his dissertation was supervised by Dr. Scott Bowman. Dr. Mueller's research focuses on juvenile justice policies and evidence-based interventions aimed at reducing recidivism among youth offenders. His work has been instrumental in shaping data-driven strategies within the juvenile justice system, emphasizing rehabilitation and community engagement.
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