Table 1.

Concentrations of air pollutants and observational days by monitor from 2003 to 2005 in Jacksonville, Florida, USA

Monitor ID	Observational days	Daily mean	The 5th centile	The 25th centile	Median	The 75th centile	The 95th centile
NO2 (ppb)
12-031-0032	937	27.95	12.00	20.00	26.00	34.00	48.00
PM10 (µg/m3)
12-031-0053	180	21.98	11.50	16.00	21.00	25.50	36.00
12-031-0084	182	26.17	13.00	20.00	25.00	31.00	41.00
12-031-0089	182	22.29	11.00	16.00	22.00	26.00	38.00
PM2.5 (µg/m3)
12-031-0098	1005	10.01	3.70	6.50	9.00	12.30	19.40
12-031-0099	1095	10.44	4.00	6.80	9.50	12.60	20.40
SO2 (ppb)
12-031-0032	1034	6.74	0.00	2.00	4.00	8.00	23.00
12-031-0080	986	4.69	0.00	1.00	2.00	6.00	18.00
12-031-0081	1002	8.72	0.00	1.00	3.00	8.00	41.00
12-031-0097	976	7.12	0.00	2.00	4.00	8.00	28.00
CO (ppm)
12-031-0080	990	0.50	0.50	0.30	0.40	0.60	1.10
12-031-0083	917	0.60	0.30	0.40	0.50	0.70	1.20
12-031-0084	1012	0.85	0.30	0.50	0.80	1.10	1.70
O3 (ppm)
12-031-0077	982	0.038	0.019	0.029	0.037	0.047	0.062
12-031-0100	1017	0.042	0.021	0.032	0.040	0.051	0.067