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EPA Air Pollutant Monitoring - Nitrogen Dioxide (NO2)
Daily summary of air quality at specified locations in King County (Nitrogen Dioxide). Air quality monitors measure concentrations of NO2 throughout the country. EPA, state,... -
Maryland Ozone Exceedance Days in 2007
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 can cause... -
Maryland Ozone Exceedance Days in 2015
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 can cause... -
Maryland Ozone Exceedance Days in 2003
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 can cause... -
Port of Los Angeles - Port Air Quality (2006 - 2013)
Air quality by Elemental Carbon (EC) measure. Published historical data. Live and historical data is available via: http://caap.airsis.com/CurrentData.aspx -
Maryland Ozone Exceedance Days in 2005
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 can cause... -
Daily Census Tract-Level Ozone Concentrations, 2016
This dataset provides modeled predictions of ozone levels from the EPA's Downscaler model. Data are at the census tract level for 2016. These data are used by the CDC's National... -
Maryland Ozone Exceedance Days in 2006
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 can cause... -
Air Quality Measures on the National Environmental Health Tracking Network
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 database... -
Maryland Ozone Exceedance Days in 2009
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 can cause... -
Maryland OEDs 2012
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 can cause... -
Air Quality Measures on the National Environmental Health Tracking Network
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 database... -
Maryland Ozone Exceedance Days in 2008
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 can cause... -
EPA Air Pollutant Monitoring - Lead PM10
Daily summary of air quality at specified locations in King County (Lead). Air quality monitors measure concentrations of lead throughout the country. EPA, state, tribal and... -
EPA Air Pollutant Monitoring - Particulate Matter (PM10)
Daily summary of air quality at specified locations in King County (Particulate Matter - PM10). PM10 describes inhalable particles, with diameters that are generally 10... -
Air Quality Measures on the National Environmental Health Tracking Network
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 database... -
EPA Air Pollutant Monitoring - Particulate Matter (PM2.5 LC)
Daily summary of air quality at specified locations in King County (Particulate Matter - PM2.5 LC). Using a nationwide network of monitoring sites, EPA has developed ambient air... -
EPA Air Pollutant Monitoring - Ozone
Daily summary of air quality at specified locations in King County (Ozone). Air quality monitors measure concentrations of ozone throughout the country. EPA, state, tribal and... -
Air Quality
Dataset contains information on New York City air quality surveillance data. Air pollution is one of the most important environmental threats to urban populations and while all... -
Air Quality Maintenance Area Carbon Monoxide
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant...