NOAA - National Weather Service/Environmental Protection Agency

Air Quality Forecast Guidance for Stephenville, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 32.22 N, longitude: 98.18 W. Ozone concentrations are presented in parts per billion (PPB).
Public comments and suggestions are encouraged.
A FAQ page is available.
More information...

24Hr Maximum Ending	Maximum 1 Hour Average Ozone Concentration (PPB)*	Maximum 8 Hour Average Ozone Concentration (PPB)*
Tomorrow (Ending 05/18, 4Z)	58	55

*Due to grid interpolation methods, the maximum 1- and 8-hour ozone concentration values may have
values slightly higher or lower than those of the corresponding hourly ozone concentrations.

Ozone Ending Time	1 Hour Average Ozone Concentration (PPB) 12Z Model Run	8 Hour Average Ozone Concentration (PPB) 12Z Model Run
Wed, 18 May 04 AM	35	45
Wed, 18 May 05 AM	34	43
Wed, 18 May 06 AM	32	40
Wed, 18 May 07 AM	31	38
Wed, 18 May 08 AM	32	36
Wed, 18 May 09 AM	33	35
Wed, 18 May 10 AM	34	34
Wed, 18 May 11 AM	37	34
Wed, 18 May 12 PM	39	34
Wed, 18 May 01 PM	42	35
Wed, 18 May 02 PM	44	37
Wed, 18 May 03 PM	46	38
Wed, 18 May 04 PM	46	40
Wed, 18 May 05 PM	47	42
Wed, 18 May 06 PM	47	44
Wed, 18 May 07 PM	49	45
Wed, 18 May 08 PM	51	47
Wed, 18 May 09 PM	54	48
Wed, 18 May 10 PM	52	49
Wed, 18 May 11 PM	45	49
Thu, 19 May 12 AM	45	49
Thu, 19 May 01 AM	41	48
Thu, 19 May 02 AM	40	47
Thu, 19 May 03 AM	38	46
Thu, 19 May 04 AM	35	44

Smoke Ending Time (Local Time)	1 Hour Surface Smoke (µg/m³) 06Z Model Run	1 Hour Column-Integrated Smoke (µg/m³) 06Z Model Run
Wed, 18 May 04 AM	0	12
Wed, 18 May 05 AM	0	13
Wed, 18 May 06 AM	0	20
Wed, 18 May 07 AM	0	23
Wed, 18 May 08 AM	0	26
Wed, 18 May 09 AM	0	28
Wed, 18 May 10 AM	0	27
Wed, 18 May 11 AM	0	29
Wed, 18 May 12 PM	0	25
Wed, 18 May 01 PM	0	25
Wed, 18 May 02 PM	13	28
Wed, 18 May 03 PM	6	21
Wed, 18 May 04 PM	15	22
Wed, 18 May 05 PM	0	15
Wed, 18 May 06 PM	3	10
Wed, 18 May 07 PM	0	12
Wed, 18 May 08 PM	8	12
Wed, 18 May 09 PM	0	12
Wed, 18 May 10 PM	0	9
Wed, 18 May 11 PM	0	8
Thu, 19 May 12 AM	0	8


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