The purpose of air quality monitoring is not merely to collect
data but to provide the information required by scientists,
policy-makers and planners to enable them to make informed
decisions on managing and improving the environment, in
addition to presenting useful information for public end-users.
Monitoring fulfils a central role in this process, providing the
necessary sound scientific basis for developing policies and
strategies, setting objectives, assessing compliance with targets
and planning enforcement action [1].
In fact, the effect of air pollution on human health is
considered a major and serious problem globally, especially
in countries where oil and gas industries are prevalent. Huge
efforts are being done in order to improve air quality in both
indoor and outdoor environments. According to the United
States Environmental Protection Agency (US EPA) [2], the
air quality is characterized by measuring specific gases that
affect the health the most, out of which are: ground-level
ozone (O3), carbon monoxide (CO), and hydrogen sulfide
(H2S) [1]. Often, the temporal environmental data is reported
within a time frame defined by the standard. For example,
CO is reported either by 1-hour average or by 8-hour average;
whereas O3 and H2S are reported by 8-hour average [2], [3].
The data received from the air quality monitoring system
is in a format determined by the sensing modules used. This
information should be extracted from the varying sensing modules
and stored in a database using a common format in order
to automate its extraction and analysis [4]. The measured data
might contain missing, noisy, or erroneous values. Appropriate
The purpose of air quality monitoring is not merely to collectdata but to provide the information required by scientists,policy-makers and planners to enable them to make informeddecisions on managing and improving the environment, inaddition to presenting useful information for public end-users.Monitoring fulfils a central role in this process, providing thenecessary sound scientific basis for developing policies andstrategies, setting objectives, assessing compliance with targetsand planning enforcement action [1].In fact, the effect of air pollution on human health isconsidered a major and serious problem globally, especiallyin countries where oil and gas industries are prevalent. Hugeefforts are being done in order to improve air quality in bothindoor and outdoor environments. According to the UnitedStates Environmental Protection Agency (US EPA) [2], theair quality is characterized by measuring specific gases thataffect the health the most, out of which are: ground-levelozone (O3), carbon monoxide (CO), and hydrogen sulfide(H2S) [1]. Often, the temporal environmental data is reportedwithin a time frame defined by the standard. For example,CO is reported either by 1-hour average or by 8-hour average;whereas O3 and H2S are reported by 8-hour average [2], [3].The data received from the air quality monitoring systemis in a format determined by the sensing modules used. Thisinformation should be extracted from the varying sensing modulesและเก็บไว้ในฐานข้อมูลโดยใช้รูปแบบทั่วไปตามลำดับการทำให้การสกัดและวิเคราะห์ [4] ข้อมูลการวัดอาจประกอบด้วยค่าที่หายไป เสียงดัง หรือมีข้อผิดพลาด ที่เหมาะสม
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