Design and Development of a Low-Cost, Portable Monitoring Device for Indoor Environment Quality

Table 8

Chemical presence IEQ parameter results.

IEQ parameter	Average reading (15–25 min)	Indicator	Average reading (25–35 min)	Indicator
Humidity	40.0%	Good	41.3%	Good
Temperature	23.4°C	Good	23.5°C	Good
PM2.5	4 μg/m^3	Good	38 μg/m^3	Poor
PM10	5 μg/m^3	Good	40 μg/m^3	Good
TVOC1	0 ppb	Good	202 ppb	Average
TVOC2	126 ppb	Good	173 ppb	Good
TVOC3	248 ppb	Average	765 ppb	Bad
CO2	433 ppm	Good	418 ppm	Good
CO	1 ppm	Good	1 ppm	Good
IAQ	1 ppm	Good	1 ppm	Good
Illuminance	315 lux	Good	312 lux	Good
Sound levels	23 dB	Good	23 dB	Good