Particulate Matter

Houston 2011 PM2.5 Exceptional Event Demonstration

For a PM2.5 Exceptional Event at the Houston Clinton Monitoring Site

Houston 2010 PM2.5 Exceptional Events Demonstration

For PM2.5 Exceptional Events at the Houston Clinton Monitoring Site

Houston 2012 PM2.5 Exceptional Events Demonstration

For PM2.5 Exceptional Events at the Houston Clinton Monitoring Site

El Paso 2010-2012 Particulate Matter Exceptional Events Demonstration

For PM2.5 and PM10 Exceptional Events at El Paso Monitoring Sites

El Paso 2010-2012 PM2.5 and PM10 Exceptional Events Demonstration Addendum

Response to EPA Questions

El Paso PM10 Exceptional Events Demonstration

Socorro Hueco April 25, 2017 - May 2, 2018

Summary of proposed 12/23/2020 PM10 exceptional event for El Paso County

exceptional event demonstration

Resumen de la demostración de eventos excepcionales para materia particulada el 23 de diciembre del 2020 en el condado de El Paso

eventos excepcionales

El Paso County PM10 Exceptional Event Demonstration for December 23, 2020 at the Socorro Hueco and El Paso Mimosa Monitors

El Paso Exceptional Event

Letter to the EPA Requesting Flagged PM Data for a 12/23/2020 Exceptional Event

Exceptional Event Data Flag Request

Public Comments Received Regarding the 12/23/2020 El Paso PM10 Exceptional Event Demonstration

Public Comments to El Paso Exceptional Event Demonstration

Resumen de la demostración de eventos excepcionales del 2021 en referencia a la materia particular

demostración de eventos excepcionales

Summary of 2021 Exceptional Event Demonstration for Particulate Matter

Exceptional Event Demonstration

Proposal Exceptional Event Demonstration for Particulate Matter of 10 Microns or Less in Aerodynamic Diameter (PM10) for January 16, 2021; June 21, 2021; and December 6, 2021

Exceptional Event Demonstration

Exceptional events demonstration for 2022 PM2.5 exceedances at Harrison, Travis and Kleberg Counties

This report proposes exceptional event day flags for fine particulate matter (PM2.5), occurring on 23 days in 2022, in Harrison County (Karnack monitor), Travis County (Austin Webberville monitor), and Kleberg County (National Seashore monitor).

Summary of 2022 PM2.5 Exceptional Events for Harrison, Kleberg, and Travis Counties

Plain language summary of the 2022 PM2.5 exceptional event demonstration for 23 events in Harrison, Kleberg, and Travis Counties.

Resumen de Demostración Sobre Eventos Excepcionales de Partículas Finas en 2022

Resumen de Demostración Sobre Eventos Excepcionales de Partículas Finas en 2022

Exceptional events demonstration for 2023 PM2.5 exceedances at Harrison, Travis and Kleberg Counties

This report proposes exceptional event day flags for fine particulate matter (PM2.5), occurring on 18 days in 2023, in Harrison County (Karnack monitor), Travis County (Austin Webberville monitor), and Kleberg County (National Seashore monitor).

Summary of 2023 PM2.5 Exceptional Events for Harrison, Kleberg, and Travis Counties

Plain language summary of the 2023 PM2.5 exceptional event demonstration for 18 events in Harrison, Kleberg, and Travis Counties.

Resumen de Demostración Sobre Eventos Excepcionales de Partículas Finas en 2023

Resumen de Demostración Sobre Eventos Excepcionales de Partículas Finas en 2023