Table 7. Microclimate parameters and the concentration of particulate matters in 9 pig farms
Item | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Mean | SD |
TEM | 16.45 | 16.55 | 19.28 | 9.15 | 11.71 | 25.21 | 26.29 | 21.06 | 21.83 | 18.62 | 5.76 |
RH | 100.00 | 48.26 | 92.02 | 75.30 | 39.61 | 67.80 | 73.63 | 81.93 | 98.60 | 75.24 | 21.04 |
AS | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.02 | 0.02 | 0.04 | 0.02 | 0.021 | 0.03 |
PM10 | 1,249.47 | 207.87 | 214.03 | 297.80 | 825.82 | 1,216.65 | 192.33 | 1,397.25 | 665.88 | 696.34 | 496.20 |
PM7 | 1,112.83 | 118.50 | 209.40 | 173.25 | 384.63 | 599.72 | 101.72 | 515.82 | 467.58 | 409.27 | 320.43 |
PM2.5 | 209.22 | 42.75 | 105.53 | 36.75 | 34.83 | 45.65 | 39.18 | 103.73 | 233.02 | 94.52 | 77.11 |
PM1 | 16.72 | 28.68 | 49.08 | 19.75 | 10.23 | 9.20 | 24.72 | 66.45 | 94.22 | 35.45 | 28.90 |
TSP5 | 1,292.68 | 701.57 | 226.75 | 590.65 | 1,892.20 | 2307.00 | 444.58 | 3,997.17 | 1,020.77 | 1,385.93 | 1,193.52 |
TEM, temperature (°C); RH, relative humidity (%); AS, air speed (m/s); PM, particulate matters (µg/m3); TSP, total suspended particulate matters (µg /m3).