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City
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... -
City
Open Air Chicago Individual Measurements
City of Chicago —
Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5... -
State
GHG Reporting Program Publication
State of Washington —
This dataset contains data reported to Ecology as of January 24, 2025. This dataset contains both reported and covered emissions. Some of these emissions have been... -
State
Washington State Air Quality
State of Washington —
The links on this page provide access to the Washington State Department of Ecology's Air Monitoring Network, which tracks various air pollutants at more than six... -
City
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);... -
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
Allegheny County Air Quality
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Air quality data is collected from the Allegheny County Health Department monitors throughout the county. This data must be verified by qualified individuals before... -
City
Open Air Chicago Day Aggregations
City of Chicago —
Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5... -
City
Open Air Chicago Hour Aggregations
City of Chicago —
Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5... -
City
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... -
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... -
City
ARCHIVED: Greenworks Metrics
City of Philadelphia —
The following datasets are no longer maintained and will not receive further updates. They remain available as a snapshot in time for the public to use. Greenworks is... -
City
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... -
City
HAQR Priority Green Infrastructure Zones
City of San Francisco —
Heat and air quality issues caused by climate change and gas-powered vehicles affect San Francisco communities differently. Tree canopy that would buffer the effects... -
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). -
County
DEP - Continuous Emissions Monitoring (CEM)
Montgomery County of Maryland —
This dataset show continuous emissions data from the Dickerson waste-to-energy plant. The composition of the gases generated in each combustion unit are sampled every... -
County
Dickerson Weather Station Data
Montgomery County of Maryland —
This dataset include the Dickerson Weather Station Data. The hourly wind and temperature data are periodically used for Air Quality Dispersion Modeling work for the... -
City
Louisville Metro KY - Local Air Quality API
Louisville Metro Government —
API operated by Louisville Metro that returns AQI information from local sensors operated by APCD. Shows the latest hourly data in a JSON feed.The Air Quality Index...