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Air Quality
City of New York —
Dataset contains information on New York City air quality surveillance data. Air pollution is one of the most important environmental threats to urban populations... -
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Air Pollutant Exposure Zone
City of San Francisco —
SUMMARY The Air Pollutant Exposure Zone (APEZ) map identifies areas in San Francisco where air modeling indicates higher levels of air pollution. This map is required... -
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NYCCAS Air Pollution Rasters
City of New York —
Citywide raster files of annual average predicted surface for nitrogen dioxide (NO2), fine particulate matter (PM2.5), black carbon (BC), and nitric oxide (NO);... -
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Brownfield Sites
City of Hartford —
The Brownfield Site locations are maintained by Economic Development. Brownfields are property that use may be complicated by presence or potential presence of a... -
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Tree Inventory
City of Tempe —
This dataset includes Tempe’s tree inventory data and benefits of the trees as calculated by i-Tree Eco in October 2021. The dataset was put together by West Coast... -
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SPU DWW Aba Rem Underdrains & Rain Gardens
City of Seattle —
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales... -
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TIF Projections - 2025-2034
City of Chicago —
Projections for each Tax Increment Financing (TIF) district over the next 10 years, as published in the "10-Year TIF Projections" report on October 15, 2025. Tax... -
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Louisville Metro KY - APCD Gas Operating Permits
Louisville Metro Government —
These are permits to operate gasoline dispensing facilities in Louisville/Jefferson County, Kentucky, issued by the Louisville Metro Air Pollution Control District.... -
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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... -
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Inlets
City of Seattle —
This layer displays all the catch basins, catch basin grated tops, sandboxes, junction boxes, inlets and trash racks within the City of Seattle (and the former... -
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Louisville Metro KY - APCD Industrial Construction Permits
Louisville Metro Government —
Industrial air pollution permits implement the laws, regulations, and requirements that apply to industrial and commercial facilities that emit air pollution. Any... -
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NESHAP Notifications Tied To Demolition Activity, January 2009 to April 2015
City of Ferndale, Michigan —
NESHAP is a program of the United States Environmental Protection Agency that regulates hazardous air pollutants and ensures that construction and demolition... -
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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... -
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Proposed Inlets
City of Seattle —
This layer displays all the catch basins, catch basin grated tops, sandboxes, junction boxes, inlets and trash racks within the City of Seattle (and the former... -
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Municipal Separate Storm Sewer System (MS4) Data
City of New York —
New York City’s Municipal Separate Storm Sewer System (MS4) Stormwater Management Program is a multiagency effort led by the Department of Environmental Protection... -
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DWSD CSO Event Data
City of Ferndale, Michigan —
Detroit Water & Sewerage waste water discharge event location data (2008-2014). Information on location and function of various structures involved with... -
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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... -
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SPU DWW Aba Rem Other GSI Footprints
City of Seattle —
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales... -
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Brownfield Site Data
City of Austin —
Data set of all Brownfield sites: environmental site assessments, photos and other supporting documents for each site. (This site is automatically updated every time...