Air Quality Relative Values Data Summaries Graphical summaries of the current air quality status and trends in National Parks and other federal lands.

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Presentation transcript:

Air Quality Relative Values Data Summaries Graphical summaries of the current air quality status and trends in National Parks and other federal lands

Regional Haze Vistas in national parks and wilderness areas are diminished by haze causing discoloration and loss of texture and visual range. Visibility in these class I areas is protected and regulated by the Regional Haze Rule which require returning visibility to natural conditions in class I areas. Background information on the Regional Haze Rule

REGIONAL HAZE RULE PROGRESS TRACKING The haze on the 20% worst haze days in Rocky Mountain NP during the baseline period, , was 13.8 DV. The haze on these high haze days needs to decrease to the natural background level of 7.2 DV by The current haze averaged over the most recent 5 years has decreased from the baseline value to 12.6 DV. This decrease is at a faster rate than the glide slope.

REGIONAL HAZE RULE PROGRESS TRACKING Baseline, current, natural conditions and glide slope for haze (deciview) and the light extinction of major aerosol components.

Composition of Haze Rocky Mountain NP, baseline haze composition, Rocky Mountain NP, current haze composition,

Data Visualization Applications Interactive graphical applications to graph and visualize aggregated and raw data