aqs_monitors_by_county
Retrieve air quality monitor details for a specific county, including locations, operational dates, and pollutant measurements from the EPA Air Quality System.
Instructions
Get all air quality monitors in a county. Returns detailed information about monitors including location, operational dates, and measurement parameters.
Parameters:
param: 5-digit AQS parameter code for the pollutant. Common codes:
44201: Ozone (O3)
88101: PM2.5 (Fine Particulate Matter, Local Conditions)
81102: PM10 (Particulate Matter)
42401: Sulfur Dioxide (SO2)
42101: Carbon Monoxide (CO)
42602: Nitrogen Dioxide (NO2)
bdate/edate: Begin and end dates in YYYYMMDD format (must be same calendar year)
state: 2-digit FIPS state code (e.g., '06' for California, '36' for New York)
county: 3-digit FIPS county code (e.g., '037' for Los Angeles County)
Note: Email and API key can be provided or will use AQS_EMAIL/AQS_API_KEY environment variables.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| No | Email address for API authentication (optional if AQS_EMAIL env var is set) | ||
| key | No | API key for authentication (optional if AQS_API_KEY env var is set) | |
| param | Yes | 5-digit AQS parameter code (e.g., 44201 for Ozone) | |
| bdate | Yes | Begin date in YYYYMMDD format | |
| edate | Yes | End date in YYYYMMDD format (must be same calendar year as bdate) | |
| state | Yes | 2-digit FIPS state code (e.g., 06 for California) | |
| county | Yes | 3-digit FIPS county code (e.g., 037 for Los Angeles) |