Research Article
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/m3 | Good | 38 μg/m3 | Poor | PM10 | 5 μg/m3 | Good | 40 μg/m3 | 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 |
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