Table 1.
The average results of percentage difference of the number of PM concentration (particle/m3) among untreated air (control) and air treatment using an air pump when compared between 0 and 5 min.
| Air pollutant diameter (μm) | Percentage difference of the number of PM (particle/m3) |
|||||||
|---|---|---|---|---|---|---|---|---|
| Control |
Air pump |
|||||||
| Mean | Min | Max | SD | Mean | Min | Max | SD | |
| 0.3 | +12.623 | −4.503 | +31.546 | ±12.226 | +0.458 | −2.842 | +7.686 | ±3.230 |
| 0.5 | +61.539 | −29.006 | +192.471 | ±68.201 | +2.533 | −12.322 | +38.964 | ±14.780 |
| 1.0 | +113.647 | −50.142 | +421.682 | ±133.858 | +4.720 | −21.637 | +56.200 | ±22.163 |
| 3.0 | +19.151 | −21.860 | +88.520 | ±35.764 | +9.246 | −47.363 | +205.550 | ±70.238 |
| 5.0 | +25.847 | −38.579 | +210.769 | ±74.474 | +19.449 | −59.964 | +348.333 | ±116.653 |
| 10 | +9.444 | −41.935 | +90.000 | ±43.976 | +28.564 | −62.500 | +287.273 | ±99.019 |