EPA Air Quality & Toxics
Server Details
Toxics Release Inventory, Superfund sites, air quality data, and AQI
- Status
- Healthy
- Uptime
- 100.0% over the last 24 hours
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-11-25
- URL
- ChatGPT
- –
- Claude
- –
TDQS
Scored across 5 tools
The two air quality tools (current and forecast) are clearly separated by time frame, and the historical summary is distinct. The two toxics tools (Superfund and TRI) are both state-based hazard listings but differ in content (cleanup sites vs. reporting facilities). Minor potential confusion between Superfund and TRI, but descriptions clarify.
All tools use the consistent 'get_' prefix followed by descriptive noun phrases in snake_case. The pattern is uniform across the set.
Five tools cover the server's stated scope of air quality and toxics without redundancy. Each tool addresses a distinct data need, and the count is within the ideal 3-15 range.
The air quality surface covers current, forecast, and annual historical data. The toxics surface covers site and facility listings. Missing are detailed facility-level emissions or site-specific cleanup data, but core queries are supported.
Available Tools
5 toolsget_annual_air_qualityAInspect
Get annual air quality summary data for a US state.
Returns annual statistics from the EPA Air Quality System (AQS),
including mean concentrations, max values, and exceedance counts
for the specified pollutant across all monitoring sites in the state.
Args:
state: Two-letter US state abbreviation (e.g. 'CA', 'NY').
parameter: Pollutant to query. Options: 'PM2.5', 'Ozone', 'SO2', 'NO2', 'CO'.
Default is 'PM2.5'.
start_year: Start year for the query range (e.g. 2020). Default is 2020.
end_year: End year for the query range (e.g. 2023). Default is 2023.
Inputs: state (required), end_year, parameter, start_year. Returns: result
get_aqi_forecastAInspect
Get the air quality forecast for a ZIP code.
Returns forecast AQI values and health categories for upcoming days,
typically covering today and the next 1-2 days.
Args:
zip_code: US ZIP code (e.g. '20001').
Inputs: zip_code (required). Returns: result
get_current_aqiAInspect
Get the current Air Quality Index (AQI) for a location.
Provide either a zip_code OR latitude/longitude coordinates.
Returns AQI values, pollutant levels, and health category for
each measured pollutant at the nearest monitoring station.
Args:
zip_code: US ZIP code (e.g. '20001').
latitude: Latitude of the location (e.g. 38.9).
longitude: Longitude of the location (e.g. -77.0).
Inputs: latitude, zip_code, longitude. Returns: result
get_superfund_sitesAInspect
Get active Superfund (National Priorities List) sites in a state.
Returns hazardous waste cleanup sites listed on the EPA's National
Priorities List, including site names, locations, and status information.
No API key required.
Args:
state: Two-letter US state abbreviation (e.g. 'NJ', 'CA').
limit: Maximum number of sites to return (default 50, max 500).
Inputs: state (required), limit. Returns: result
get_tri_facilitiesAInspect
Get Toxics Release Inventory (TRI) facilities in a state.
Returns facilities that report toxic chemical releases to the EPA,
including facility names, addresses, and industry information.
No API key required.
Args:
state: Two-letter US state abbreviation (e.g. 'CA', 'TX').
city: Optional city name to filter results.
limit: Maximum number of facilities to return (default 50, max 500).
Inputs: state (required), city, limit. Returns: result
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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