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Federal
Air Quality Measures on the National Environmental Health Tracking Network 250 recent views
U.S. Department of Health & Human Services —
The Environmental Protection Agency (EPA) provides air pollution data about ozone and particulate matter (PM2.5) to CDC for the Tracking Network. The EPA maintains a... -
State
County Level Attainment Status of National Ambient Air Quality Standards (NAAQS)
State of New York —
A list by county of the current attainment status of the National Ambient Air Quality Standards (NAAQS). -
State
Maryland Ozone Exceedance Days in 2008
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland Ozone Exceedance Days 2016-2021
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2015 Health-Based Standard in ppb, Finalized Data. In 2015 EPA set the ozone standard to 70 ppb. High levels of ozone... -
State
Maryland Ozone Exceedance Days in 2005
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland Ozone Exceedance Days in 2014
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland Ozone Exceedance Days in 2004
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
Federal
Daily Census Tract-Level Ozone Concentrations, 2011-2014
U.S. Department of Health & Human Services —
This dataset provides modeled predictions of ozone levels from the EPA's Downscaler model. Data are at the census tract level for 2011-2014. These data are used by... -
Federal
Daily Census Tract-Level Ozone Concentrations, 2006-2010
U.S. Department of Health & Human Services —
This dataset provides modeled predictions of ozone levels from the EPA's Downscaler model. Data are at the census tract level for 2006-2010. These data are used by... -
State
Maryland Ozone Exceedance Days in 2011
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland Ozone Exceedance Days in 2009
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland OEDs 2013
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Preliminary Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland Ozone Exceedance Days in 2007
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland Ozone Exceedance Days in 2003
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland Ozone Exceedance Days in 2006
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland OEDs 2012
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
State
Maryland Ozone Exceedance Days in 2010
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone... -
Federal
Daily Census Tract-Level Ozone Concentrations, 2001-2005
U.S. Department of Health & Human Services —
This dataset provides modeled predictions of ozone levels from the EPA's Downscaler model. Data are at the census tract level for 2001-2005. These data are used by... -
Federal
Daily Census Tract-Level Ozone Concentrations, 2001-2005
U.S. Department of Health & Human Services —
This dataset provides modeled predictions of ozone levels from the EPA's Downscaler model. Data are at the census tract level for 2001-2005. These data are used by... -
State
Maryland Ozone Exceedance Days in 2015
State of Maryland —
Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone...