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	𝑛
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