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Air Quality History
District of Columbia —
This dataset contains quality assured and DOEE-certified air quality data collected from the District’s five air monitoring network sites. The dataset covers a three-... -
Air Quality Purple Air Sensors
District of Columbia —
This dataset is made up of hourly measurements of PM2.5 and PM10, and meteorological measurements, collected through DOEE’s Purple Air network in the District of... -
Emissions Inventory
District of Columbia —
NEI point sources include emissions estimates for larger sources that are located at a fixed, stationary location. Point sources in the NEI include large industrial... -
County
1939 Lake County Aerial - SE Quarter
Lake County, Illinois —
This two foot pixel resolution black and white aerial photography was flown on various dates in July and August 1939. They were scanned in 2001, and georeferenced in... -
Federal
BLM Natl GTLF Public Motorized Trails
Department of the Interior —
This feature class is the BLM Natl GTLF Public Motorized Trails subset of the feature dataset containing the BLM Ground Transportation Linear Features. A linear... -
Air Quality Realtime
District of Columbia —
Dataset is comprised of hourly air quality data points captured from the District’s air monitoring network sites. The dataset is quality controlled by a process of... -
City
Local Air Quality
Town of Chapel Hill, North Carolina —
This dataset contains air quality data collected using a PurpleAir Dual Laser Air Quality Sensor located at the Chapel Hill Public Library. The sensor measures fine... -
City
Louisville Metro KY - Industrial Construction Permits
Louisville Metro Government —
Louisville Metro Air Pollution Control District (APCD) industrial permits are applications for a permit to operate equipment that emits or controls the emission of... -
County
Permanent Conservation Easements of Loudoun County
Loudoun County, Virginia —
A conservation easement restricts the use or development of real property for any of the following purposes:· Retaining or protecting natural or open-space values of... -
City
Louisville Metro KY - Pool Inspections
Louisville Metro Government —
Routine reinspection of over 537 public pools and treated water aquatic facilities in the US State of Kentucky, totalling over 2,000 inspections per year.... -
County
1939 Lake County Aerial - NW Quarter
Lake County, Illinois —
This two foot pixel resolution black and white aerial photography was flown on various dates in July and August 1939. They were scanned in 2001, and georeferenced in... -
Federal
BLM Natl GTLF Public Nonmotorized Trails
Department of the Interior —
This feature class is the BLM Natl GTLF Public Nonmotorized Trails subset of the feature dataset containing the BLM Ground Transportation Linear Features. A linear... -
Federal
BLM Natl GTLF Public Motorized Roads
Department of the Interior —
This feature class is the BLM Natl GTLF Public Motorized Roads subset of the feature dataset containing the BLM Ground Transportation Linear Features. A linear... -
Federal
BLM Natl GTLF Public Managed Trails
Department of the Interior —
This feature class is the BLM Natl GTLF Public Managed Trails subset of the feature dataset containing the BLM Ground Transportation Linear Features. A linear feature... -
Federal
Terrestrial Condition Assessment (TCA) Ozone Chronic Exposure (Map Service)
Department of Agriculture —
The average of W126 which is a weighted measure of chronic (lower level) ozone exposure within a landscape analysis unit. Updated through 2018. Data used are sourced... -
Federal
BLM Natl GTLF Public Nonmechanized Trails
Department of the Interior —
This feature class is the BLM Natl GTLF Public Nonmechanized Trails subset of the feature dataset containing the BLM Ground Transportation Linear Features. A linear... -
Heritage Tree Relocations in Washington D.C.
District of Columbia —
Trees in the city are critical to our well-being. Among many other benefits, trees improve our air and water quality, cool our neighborhoods, and provide nurturing... -
Air Quality Clarity Node Sensors
District of Columbia —
This dataset is made up of hourly measurements of PM2.5 and PM10, and meteorological measurements, collected through DOEE’s Clarity Node network in the District of... -
City
Louisville Metro KY - APCD Industrial Operating Permits
Louisville Metro Government —
Louisville Metro Air Pollution Control District (APCD) industrial permits are applications for a permit to operate equipment that emits or controls the emission of... -
Federal
Terrestrial Condition Assessment (TCA) Ozone Acute Exposure (Map Service)
Department of Agriculture —
The average of N100 which is the sum of hours over 100 ppb in a given month and captures peak events of high exposure or acute exposure. Updated through 2018. Data...