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One of the essentials of making an air quality monitoring device is naturally the choice of air pollutants to be measured. In this video, I take a closer look at various outdoor air pollutants, their sources, and the dangers they pose to human health. This consideration helped me to choose the pollutants that I found to be important, particularly for a place like Lagos State.
The engineers at Sensirion probably had the same idea in mind, as the versatility of the SEN55 (240-9022) environmental sensor, which measures Particulate Matter (PM), Nitrogen Oxides (NOx), and Volatile Organic Compounds (VOC) in a single part, made my decisions a lot easier.
WHO - Ambient (outdoor) air pollution
Follow Ahmed's weekly progress in developing the Interactive Air Quality Map 2.0 across Lagos.
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