Table 4.

Evaluation of simulated daily mean and daily maximum pollen concentrations (grains·m⁻³) for different cases over three grouped regions in southern California.

		Mean (grains·m−3)									Maximum (grains·m−3)
	OBSa	BASE	BCON	PAHI	PALO	UTHI	UTLO	DVHI	DVLO	OBS	BASE	BCON	PAHI	PALO	UTHI	UTLO	DVHI	DVLO
Santa Barbara (SBC) b
Birch	0	0	0	0	0	0	0	0	0	0	3	4	7	3	3	3	3	5
Grass	8	34	36	42	27	32	35	28	39	44	457	479	605	297	451	465	332	547
Walnut	0	1	1	2	1	1	1	1	1	1	4	4	8	4	4	4	3	6
Mulberry	0	0	0	1	0	0	0	0	0	0	1	1	7	1	1	1	1	4
Olive	2	3	3	4	2	3	3	3	3	15	10	11	19	8	10	12	7	16
Oak	4	22	27	32	13	23	25	16	28	16	223	264	289	171	217	250	199	254
LA Metropolitan Area (LAM) c
Birch	1	0	0	0	0	0	0	0	0	7	2	2	4	2	2	2	2	3
Grass	10	6	7	19	4	6	6	4	9	36	141	143	178	92	120	159	110	151
Walnut	1	0	0	1	0	0	0	0	0	7	3	3	10	3	3	3	3	7
Mulberry	3	2	2	2	2	2	2	2	2	13	8	8	11	7	8	10	7	10
Olive	6	3	3	5	2	3	3	4	3	46	20	21	37	16	20	27	15	31
Oak	11	7	8	13	4	6	8	9	6	114	58	69	89	49	51	63	50	77
Riverside & Orange (ROC) d
Birch	1	1	1	1	1	1	1	1	1	5	2	2	3	2	2	2	2	3
Grass	5	31	31	43	19	28	34	27	36	13	181	183	262	127	150	201	154	222
Walnut	2	0	0	1	0	0	0	0	0	9	2	2	7	2	2	2	2	4
Mulberry	4	1	1	2	1	1	1	1	1	17	9	9	13	7	9	10	8	12
Olive	3	2	2	3	2	2	2	2	3	10	7	7	12	7	7	9	7	8
Oak	29	10	10	16	8	9	10	8	12	159	64	64	82	50	60	69	55	72

^aThe description of each simulation cases refer to Table 3.

^bSanta Barbara: includes pollen count sites `SBBG' (Fig. 2);

^cLA Metropolitan Area: includes pollen count sites `CALT', `LBAQ', `GAQM', `SDAE' and `SDLH';

^dRiverside & Orange: includes pollen count sites `AHAQ',`MLAQ' and `RSAQ'.