Parameter | Educational area (EA) (μg/m3) | Residential area (RA) (μg/m3) | ||||
Ave ± stdev | Min | Max | Ave ± stdev | Min | Max | |
Size distribution (mm) | ||||||
<0.1 | 8.17 ± 1.48 | 6.39 | 10.85 | 14.56 ± 3.22 | 11.95 | 19.08 |
0.1 - 0.5 | 1.89 ± 0.94 | 1.00 | 4.10 | 1.85 ± 1.10 | 0.82 | 3.62 |
0.5 - 1.0 | 7.78 ± 1.63 | 5.52 | 9.91 | 12.31 ± 2.25 | 10.28 | 15.79 |
1.0 - 2.5 | 8.36 ± 1.52 | 5.54 | 10.85 | 13.59 ± 1.07 | 12.59 | 15.20 |
2.5 - 10 | 14.89 ± 2.39 | 10.72 | 18.78 | 26.41 ± 7.08 | 18.62 | 36.86 |
>10 | 4.02 ± 0.97 | 2.23 | 5.91 | 9.13 ± 1.80 | 7.20 | 11.93 |
PM | ||||||
PM0.1 | 8.17 ± 1.48 | 6.39 | 10.85 | 14.56 ± 3.22 | 11.95 | 19.08 |
PM1 | 17.85 ± 3.36 | 12.95 | 22.91 | 28.71 ± 3.84 | 23.23 | 33.29 |
PM2.5 | 26.21 ± 4.54 | 21.29 | 33.76 | 42.30 ± 4.70 | 35.82 | 48.49 |
PM10 | 41.10 ± 4.96 | 35.62 | 52.54 | 68.71 ± 10.99 | 58.72 | 85.35 |
TSP | 45.12 ± 5.27 | 37.86 | 56.08 | 77.84 ± 12.46 | 65.92 | 97.28 |
PM ratio | ||||||
PM0.1/PM1 | 0.46 ± 0.03 | 0.41 | 0.50 | 0.50 ± 0.06 | 0.41 | 0.57 |
PM0.1/PM2.5 | 0.31 ± 0.02 | 0.28 | 0.35 | 0.34 ± 0.05 | 0.28 | 0.39 |
PM0.1/PM10 | 0.20 ± 0.03 | 0.17 | 0.24 | 0.21 ± 0.03 | 0.17 | 0.25 |
PM0.1/TSP | 0.18 ± 0.02 | 0.15 | 0.21 | 0.19 ± 0.03 | 0.15 | 0.23 |
PM1/PM2.5 | 0.68 ± 0.04 | 0.61 | 0.74 | 0.68 ± 0.02 | 0.65 | 0.71 |
PM1/PM10 | 0.43 ± 0.05 | 0.35 | 0.51 | 0.42 ± 0.04 | 0.39 | 0.46 |
PM1/TSP | 0.39 ± 0.05 | 0.31 | 0.46 | 0.37 ± 0.04 | 0.33 | 0.41 |
PM2.5/PM10 | 0.64 ± 0.06 | 0.56 | 0.72 | 0.62 ± 0.05 | 0.57 | 0.68 |
PM2.5/TSP | 0.58 ± 0.05 | 0.51 | 0.65 | 0.55 ± 0.05 | 0.50 | 0.61 |
PM10/TSP | 0.91 ± 0.02 | 0.89 | 0.94 | 0.88 ± 0.01 | 0.86 | 0.89 |