Surface O3 and PM2.5

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Change Type: Daily sfc max or avg
Year: 2008 2009	Month: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec	Day: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Select Cycle: 12Z 06Z
Select Field: cb05(4Z-4Z) day_1 O3 1h max cb05(4Z-4Z) day_2 O3 1h max cb05(4Z-4Z) day_1 O3 8h max cb05(4Z-4Z) day_2 O3 8h max
Select Region: CONUS     Northeast US Southeastern US Along I95 Corridor Northwestern US Shenandoah Valley Texas Florida California
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