aqs_list_sites
Retrieve air quality monitoring site codes by state and county to prepare for detailed EPA AQS data queries.
Instructions
Get a list of air quality monitoring sites within a county with their 4-digit site codes. Use this to look up site codes for site-level AQS API queries. Requires both state and county codes.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| No | Registered email address for AQS API. Optional if AQS_EMAIL env var is set. | ||
| key | No | AQS API key. Optional if AQS_API_KEY env var is set. | |
| 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 County). |