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TCEQ Daily Air Quality Forecast Update

Environmental assessment information: the “Texas Daily Air Quality Forecast” from the Texas Commission on Environmental Quality. This information has recently been updated, and is now available [ http://www.tceq.texas.gov/airquality/monops/forecast_today.html ].

Forecast is for Ozone, PM2.5, & PM10, and is based on EPA’s Air Quality Index (AQI)
AQI Scale [ https://airnow.gov/index.cfm?action=aqibasics.aqi ] *Forecast Region*
*(Click name for AIRNOW version)* *Tue*
*04/16/2019* *Wed*
*04/17/2019* *Thu*
*04/18/2019* *Fri*
*04/19/2019* *Amarillo* [ https://www.airnow.gov/?reportingArea=Amarillo&stateCode=TX ] Ozone Good Good Ozone *Austin* [ https://airnow.gov/?reportingArea=Austin&stateCode=TX ] Good PM2.5 Good Ozone *Beaumont-Port Arthur* [ https://www.airnow.gov/?reportingArea=Beaumont-Port%20Arthur&stateCode=TX ] Ozone PM2.5 PM2.5 Ozone *Brownsville-McAllen* [ https://www.airnow.gov/?reportingArea=Brownsville-McAllen&stateCode=TX ] PM2.5 PM2.5 PM2.5 Ozone *Corpus Christi* [ https://www.airnow.gov/?reportingArea=Corpus%20Christi&stateCode=TX ] PM2.5 PM2.5 PM2.5 Ozone *Dallas-Fort Worth* [ https://www.airnow.gov/?reportingArea=Dallas-Fort%20Worth&stateCode=TX ] Ozone Good Good Ozone *El Paso* [ https://www.airnow.gov/?reportingArea=El%20Paso&stateCode=TX ] Ozone/PM10/PM2.5 PM10/PM2.5 Ozone Ozone *Houston* [ https://www.airnow.gov/?reportingArea=Houston-Galveston-Brazoria&stateCode=TX ] Ozone PM2.5 PM2.5 Ozone *Laredo* [ https://www.airnow.gov/?reportingArea=Laredo&stateCode=TX ] Good PM2.5 Good Good *Lubbock* [ https://www.airnow.gov/?reportingArea=Lubbock&stateCode=TX ] Ozone Ozone Ozone Ozone *Midland-Odessa* [ https://www.airnow.gov/?reportingArea=Midland-Odessa&stateCode=TX ] Ozone Ozone/PM10/PM2.5 Ozone Ozone *San Antonio* [ https://www.airnow.gov/?reportingArea=San%20Antonio&stateCode=TX ] Good PM2.5 Good Ozone *Tyler-Longview* [ https://www.airnow.gov/?reportingArea=Tyler-Longview-Marshall&stateCode=TX ] Good PM2.5 Good Ozone *Victoria* [ https://www.airnow.gov/?reportingArea=Victoria&stateCode=TX ] Good PM2.5 PM2.5 Ozone *Waco-Killeen* [ https://www.airnow.gov/?reportingArea=Waco-Killeen&stateCode=TX ] Good PM2.5 Good Ozone An asterisk (*) indicates that an Ozone Action Day is or will be in effect for the indicated region.

Forecast Discussion

*”Tuesday 04/16/2019 “*
Incoming background levels may remain high enough for ozone to reach the upper end of the “Moderate” range or possibly higher on the north side of the Dallas-Fort Worth area and on the north and northwest side of the Houston area; the lower to middle end of the “Moderate” range in parts of the Amarillo, Big Bend, Lubbock, and Midland-Odessa areas; the lower end of the “Moderate” range in parts of the Beaumont-Port Arthur and El Paso areas; and the upper end of the “Good” range (perhaps with an isolated low “Moderate” or two) in parts of the Austin and Waco-Killeen areas, with highest concentrations in the afternoon and early evening.

Patchy smoke from agricultural burning in Mexico and Central America will begin filtering back into South Texas, possibly raising the daily PM2.5 AQI to the lower to middle end of the “Moderate” range in parts of the Brownsville-McAllen area; the lower end of the “Moderate” range in parts of the Corpus Christi area; and the upper end of the “Good” range (perhaps with an isolated low “Moderate” or two) in parts of the Laredo and Victoria areas.

Strong afternoon winds could generate and transport patchy blowing dust into far West Texas, possibly raising the daily PM10 AQI to the middle to upper end of the “Moderate” range and the daily PM2.5 AQI to the lower to middle end of the “Moderate” range in parts of the El Paso area, with highest concentrations in the afternoon and evening.

Otherwise and elsewhere in the state, moderate to strong winds and/or lower incoming background levels should help keep air quality in the “Good” range in most spots.

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