Monitors are everywhere nowadays. They can be used in different places and for different purposes, such as medical applications, weather monitoring, climate monitoring, scientific experiments, and enironmental monitoring.
Enironmental monitoring is the use of monitoring to warn the public or authorities of very high level of pollutants. For example, the air quality in cities is monitored with regard to the level of nitrogen dioxide, sulphur dioxide, ozone and particulates. Noise levels are also monitored in some cities. Rivers are monitored, measuring different variables such as stream temperature, pH, dissolved oxygen, turbidity and water level. (Turbidity is the cloudiness of a liquid caused by individual particles usually invisible to the naked eye. These particles have a similar effect in water as smoke has in air.)
Enironmental monitoring is the use of monitoring to warn the public or authorities of very high level of pollutants. For example, the air quality in cities is monitored with regard to the level of nitrogen dioxide, sulphur dioxide, ozone and particulates. Noise levels are also monitored in some cities. Rivers are monitored, measuring different variables such as stream temperature, pH, dissolved oxygen, turbidity and water level. (Turbidity is the cloudiness of a liquid caused by individual particles usually invisible to the naked eye. These particles have a similar effect in water as smoke has in air.)
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