Skip Navigation LinksHome Contact UsContact us Page StatusPage status
Denver, Colorado Arches National Park, Utah Grand Teton National Park, Wyoming
The IWDW has been fully supported by multiple federal and state agencies, with assistance from WESTAR-WRAP, since its creation through the 3SAQS Pilot Study. The IWDW provides air quality data, photochemical grid modeling products, and analysis tools to support various air quality applications. Available datasets include emissions inventories, meteorological data, air quality modeling platforms, and monitoring data.

WAQS Updates

Working Groups
  • WAQS Monitoring Network Assessment - Final Report & Wiki
  • RTOWG - Meeting & Document Archive
2011b MODELING PLATFORM
  • 2011 Base Case and 2025 Future Case emissions and model I/O
  • Model-ready CAMx and CMAQ input
  • UpdatesWinter Meteorology
  • 2011b_v2 O&G sector emissions updates
  • 2011b CAMx outputs using consistent meteorology
MPE CRITERIA DOCUMENTS
  • 2011b Model Performance Evaluation and Application
  • 2011b Release Memo and model application recommendations from WAQS Cooperators
  • 2011b Winter Meteorology MPE
  • 2014 WRF Meteorology MPE
SOURCE APPORTIONMENT MODELING
  • WAQS 2011b Base Case and "Clean" Simulations
  • Southern New Mexico Ozone Study (SNMOS)
  • Denver/Northern Front Range 2017 Ozone SIP Modeling
MEETINGS
  • April 10-11 - Western U.S. TEMPO Early Adopters Workshop
  • Feb. 28, 2018 - IWDW-WAQS Governing Board
  • Feb. 26, 2018 - IWDW-WAQS Oversight Committee & Legal Representatives
  • Jan. 17, 2018 - IWDW-WAQS Oversight Committee
  • December 21, 2017 - IWDW-WAQS Technical Committe
  • Dec. 20, 2017 - IWDW-WAQS Oversight Committee
  • November 17, 2017 - IWDW-WAQS Oversight Committee
  • July 20, 2017 - WRAP Tribal Data Work Group and Regional Technical Operations Work Group Webinar

IWDW Highlights

ABOUT PAGES
  • IWDW-WAQS Background & Overview
  • Study Cooperating Agencies
  • Benefits and cost savings to data users
EMISSIONS REVIEW TOOLS
  • Dynamic map display of WAQS emissions inventory data
  • County level and source category drill down
  • Customizable graphics
ERT map view
ERT pie chart
MODEL-TO-OBS TOOL
  • 2011b AQ modeling results
  • Compare modeling results to monitoring network observations
  • Drill down to specific air quality episodes
SOURCE APPORTIONMENT VISUALIZATION TOOLS
  • Ozone and PM
  • Source category contributions at U.S. monitoring sites and across a virtual western U.S. grid
  • Estimates of U.S. and North American background source contributions