Research Article
Suspended Particulates Concentration (PM10) under Unstable Atmospheric Conditions over Subtropical Urban Area (Qena, Egypt)
Table 1
Average, maximum, and minimum of PM10 concentration (μg m−3), coefficient of variation, and number of sampling during the period 2002-03.
| Period | Ave. | Min. | Max. | CV | |
| Jan. | 97.91 | 9.97 | 263.53 | 0.64 | 31 | Feb. | 73.86 | 25.27 | 219.97 | 0.68 | 16 | Mar. | No available data | Apr. | 155.17 | 27.70 | 646.74 | 0.86 | 43 | May | 171.82 | 44.02 | 318.17 | 0.41 | 25 | Jun. | No available data | Jul. | 99.38 | 10.53 | 175.83 | 0.47 | 28 | Aug. | 103.17 | 14.30 | 201.02 | 0.40 | 37 | Sep. | 116.34 | 8.22 | 259.76 | 0.45 | 34 | Oct. | 107.47 | 29.55 | 283.41 | 0.47 | 33 | Nov. | 95.57 | 6.49 | 317.74 | 0.68 | 28 | Dec. | 74.05 | 16.35 | 118.95 | 0.42 | 13 | Cold season | 89.27 | 6.49 | 317.74 | 0.70 | 88 | Hot season | 125.35 | 8.22 | 646.74 | 0.71 | 200 | All samples | 114.32 | 6.49 | 646.74 | 0.72 | 288 |
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