Welcome to the Emissions and Smoke Portal

    The Emissions and Smoke Portal brings together information, documents, websites, and training materials on smoke management and air quality. The information provided here reflects the efforts of the NWCG Smoke Committee to provide interagency leadership, coordination, and integration of air resources and fire management objectives to support overall land management goals. It also reflects efforts of the University of Idaho to provide the best available science and information for land management professionals to apply in their work.

    edu_resources.png smokeresearch2.png Documents.png smoke_mgt_resources.png
    BPs.png activity_updates.png subcommittees.png Smokeblogs.png


    News & Events

    GPO logoReview of the Primary National Ambient Air Quality Standards for Oxides of Nitrogen; Proposed - Public Comments Due by 9/25/17

    Federal Register Vol. 82, No. 142 (Wed. 7/27/17) SUMMARY: Based on the Environmental Protection Agency's (EPA's) review of the air quality criteria addressing human health effects of oxides of nitrogen and the primary national ambient air quality standards (NAAQS) for nitrogen dioxide (NO2), the EPA is proposing to retain the current standards, without revision.

    Science Daily: Where there's fire, there's smoke -  and social media

    The fact that people reliably flock to social media to discuss smoke and fire was the inspiration for a new study by atmospheric scientists. The researchers showed striking correlation between numbers of Facebook users posting about visible smoke, and commonly used datasets for estimating harmful smoke exposure...

    FASMEE_webinar2.pngWildland Fire Smoke and Roadway Visibility: Predict, Prepare and Avert Accidents - June 15, 22, & 29 1:00 pm Eastern

    A 3-part webinar series will be held in June 2017 to address this issue. The webinars will be approximately 2 hours each, and are hosted by the NWCG Smoke Committee, Southern Fire Exchange, The Nature Conservancy, and Montgomery Community College NC Prescribed Fire Training Center. Click here to download a printable flier with more information.

    Note: Recordings for Parts One and Two are available on the Smoke Webinars & Videos Page. Part Three will be posted soon.

    BlueSky_map.pngWebinar - Indoor Air Quality During Wildland Fires: Experience and Research, by Kris Ray and Shelly Miller

    A webinar containing two presentations on indoor air quality. The first, from Kris Ray, evaluates indoor air quality during very high ambient PM2.5 concentrations at the Colville Reservation in Washington State, which resulted from the 2015 wildfire season. The second presentation, from Shelly Miller, evaluates the impact of indoor air cleaning devices during wildland fires.

    FASMEE_webinar2.pngWebinar - Fire and Smoke Model Evaluation Experiment (FASMEE), by Roger Ottmar, Sim Larkin, Tim Brown, and Nancy French

    This webinar will review the objectives and progress of the multi-agency Fire and Smoke Modeling Experiment (FASMEE) project. The primary objective of FASMEE is to gather observational data needed to evaluate and advance fire and smoke modeling systems. 

    BlueSky_map.pngRegional Haze Rule Revision and Draft Guidance Revision 

    Proposed Amendments to the Regional Haze Rule are available on the EPA's proposed rulemaking web page for Regional Haze

    Information on 'Draft Guidance on Progress Tracking Metrics, Long-Term Strategies, Reasonable Progress Goals and Other Requirements for Regional Haze State Implementation Plans for the Second Implementation' is available on the EPA's draft guidance web page

    Looking for a specific webinar or announcement? Videos and webinars are now collected on the Smoke Webinars and Videos page located in the Smoke Management Resources tab. Older announcements have been archived and are available on the Smoke News and Events archive page.

    BlueSky_map.pngMethods for Determining Mixing Height, by Matthew Fearon and Robyn Heffernan

    Now available on the Southern Fire Exchange website. This webinar features researcher Matthew Fearon of the Desert Research Institute discussing recent research investigating various methods for estimating atmospheric mixing height. Following his presentation Robyn Heffernan with the National Weather Service discussed NWS plans for their mixing height determination procedures.

    BlueSky_map.pngDecember 17, 2015, Webinar: 'Impairment’ – A New Metric to Track Progress under the Regional Haze Rule, by Scott Copeland (FS)

    US EPA’s 1999 Regional Haze Rule (RHR) is the only Clean Air Act program aimed solely at protecting the visual air quality, or “visibility” in many wildernesses, national parks, and wildlife refuges.  Progress is being made towards the Clean Air Act goal of no manmade visibility impairment in class I areas, however, haze from wildfires and prescribed fires has made it difficult for many states to demonstrate that progress.  While the largest recent effects from smoke are seen in western states, fossil fuel emissions reductions in the east will lead to the same issue arising in eastern states in the near future.

    For the past year, US EPA has collaborated with federal land managers, and consulted with state air agencies to develop a new metric that focuses attention on anthropogenic emissions.  The new metric can be easily calculated from IMPROVE data, and provides a new method for states to demonstrate progress towards the Regional Haze Rule goal.

    EPA Resource Page.pngNovember 18, 2015, New Ozone Resources Page

    In October the EPA strengthened the National Ambient Air Quality Standards for Ozone. This new standard will have implications for the wildland fire community. The Ozone Resources page highlights regulatory information from the EPA, maps of potential non-attainment areas, testimonies, and the latest reports and research collected by the NWCG Smoke Committee.

    BlueSky_map.pngNovember 10 2015, Proposed Revisions to the Exceptional Events Rule

    The EPA proposed revisions to the 2007 Exceptional Events Rule (EER) as of November 10. To view the proposed rule see the EPA proposal. For additional information, draft guidance and a fact sheet, visit the EPA's Proposed EER Revision and Draft Guidance Page. Written comments on the proposal and its draft guidance may be sent to EPA by January 19, 2016.

    Looking for an older announcement? Older News and Events are stored on our Smoke News and Events archive page.


    For more information on smoke and air quality training through the University of Idaho please email Josh Hyde: jhyde [at] uidaho.edu