Dataset

Environmental Protection Agency Air Quality System (AQS) Data

Environmental Protection Agency Air Quality System (AQS) Data
Data Category
Ground-based monitoring
Spatial Extent
United States
Chemicals
CAPs • VOCs • HAPs
Provider
Environmental Protection Agency
Temporal Resolution
Annual Average, Daily Average, Hourly Average
Update Frequency
Annually
Description

Ambient air pollution data collected by EPA, state, local and tribal air pollution control agencies from thousands of monitors measuring chemical concentrations and meteological data.

Potential Uses
• Find measured levels of chemical in an area
Limitations
Does not include air toxics data from state and local air monitoring stations, but more Current than most repositories.