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What's wrong with low-cost air quality sensors?

Update: 2019-11-25 17:19 Source: LUFTMY Reading: ↻ News
 

As global air pollution continues to invade the precious air we breathe, we have to face not only the inconvenience of smoky skies and heavy air. This is a serious health risk, especially for people who already have heart and lung disease.

It is shocking that the number of people living in polluted urban centers around the world exceeds 80% of the acceptable air quality standards of the World Health Organization.

One of the most worrying aspects of air pollution is that its presence is not always visible to the naked eye, but we cannot turn a blind eye to its devastating health effects.Short and long term exposure to air pollution increases the risk of heart disease, stroke, lung disease, early death, and leads to more asthma attacks.Fine particles (PM2.5) and ozone are two major health hazards.As people pay more attention to the global harm of air pollution, the number of low-cost air quality sensors is increasing to protect us from the air we have to breathe.

The rise of low-cost air quality sensors

From stationary to portable, the urgency to design and manufacture low-cost air quality sensors is pervasive. However, the accuracy and completeness of their data is not perfect.

At best, low-cost air quality sensors can only monitor the air quality of specific pollutants.However, without the ability to conduct in-depth air quality data analysis and advanced quality assurance, the accuracy of pollutant readings from low-cost air quality sensors cannot be fully relied on.Nor is it guaranteed that low-cost air quality sensors will be able to identify different types of major air pollutants, as important as being able to provide accurate levels of each.For example, if fine particulate matter (PM) is detected but ozone (O3) is not, and O3 is very high, but the sensor says everything is fine (PM), then unexpected health problems may occur, especially for those who are already sensitive to ozone, such as children.

Low-cost air quality sensors help to make people aware of the practical need for air quality monitoring, but unfortunately, there is a lack of advanced technology to provide accurate measurements of current conditions.

Outdoor air quality data solutions

Air quality sensors can provide accurate outdoor air quality analysis and real-time results by using big data analysis as well as advanced algorithms and machine learning functions.Ensuring data accuracy through calibration, advanced quality assurance, continuous monitoring and air quality data analysis is essential to producing valuable and feasible results and feedback in real time.Outdoor air quality is dynamic and varies from day to day.

Accurate air quality data analysis is only half the equation: providing comprehensive advice and health advice based on current real-time pollution levels in precise areas.Depending on the level of air pollution, Suggestions might include: if you are indoors, close the Windows; Avoid physical activity if you are outside. Moderate exercise outdoors is recommended; Or suggested maximum time spent outdoors.

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