Data Exploration Tools and Resources

PM and Haze Composition
PM and Haze Composition
This graphical report summarizes the daily composition of haze at IMPROVE sites in terms of the primary fine (PM2.5) mass and extinction components: ammonium sulfate, ammonium nitrate, organic mass, elemental carbon, soil, coarse mass, and sea salt.
Live Webcams
Live Webcams
These webcams are useful for seeing the effects of air pollution on visibility. Take note of whether or not it appears that air pollution is affecting the quality of the respective vistas.
Visibility Photographs
Visibility Photographs
Cameras are used at a number of IMPROVE monitoring sites. Images from monitoring sites with over five years of data were selected to capture the range or "spectrum" of visual conditions at each site.
Ozone: High4 5-Year Average Explorer
Ozone: High4 5-Year Average Explorer
This graphical and tabular report summarizes the 5-year and by-year average 4th Highest Daily 8-hr Avg. Max. Ozone Concentrations at EPA ozone sites. A time series graph and data table are displayed.
Ozone: W126 5-Year Average Explorer
Ozone: W126 5-Year Average Explorer
This graphical and tabular report summarizes the 5-year and by-year average W126 Ozone Exposure Indexes at EPA ozone sites. A time series graph and data table are displayed.