Research Article
Statistical Evaluation of Indoor Air Quality Parameters in Classrooms of a University
Table 2
The statistical values of all the measurements.
| | | Parameters | Number Of measurements | Average | Median | Standard deviation | Minimum | Maximum |
| | Indoor | Number of people | 136 | 18.85 | 19 | 6.802 | 3 | 34 | | Temperature (°C) | 136 | 19.68 | 19.4 | 3.321 | 12.1 | 28.6 | | Relative humidity (%) | 136 | 43.64 | 43.5 | 14.738 | 19.5 | 73.3 | CO2
(ppm) | 136 | 1415.72 | 1337.5 | 642.817 | 504 | 2873 | PM0.5
(μg/m3) | 136 | 15.96 | 15.5 | 8.32 | 2 | 34 | PM1
(μg/m3) | 136 | 30.8 | 29.5 | 12.541 | 5 | 71 | PM2.5
(μg/m3) | 136 | 48.37 | 47.5 | 19.753 | 8 | 113 | PM5.0
(μg/m3) | 136 | 69.64 | 66.5 | 29.36 | 11 | 147 | PM10
(μg/m3) | 136 | 107.09 | 92.5 | 58.383 | 13 | 278 | Radon
(Bq·m−3) | 88 | 46.8 | 44.5 | 18.2 | 21 | 116 |
| | Outdoor | Temperature (°C) | 136 | 14.85 | 13.8 | 6.471 | −1.2 | 29.5 | | Relative humidity (%) | 136 | 51.97 | 49.35 | 24.486 | 20.5 | 96.2 | CO2
(ppm) | 136 | 465.6 | 452.5 | 70.121 | 342 | 661 | PM10
(μg/m3) | 136 | 76.3 | 64.5 | 46.7 | 11 | 289 |
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