aqs_daily_summary_by_county
Retrieve daily air quality summaries for all monitoring sites in a specific county, including AQI values, pollutant levels, and statistical metrics for analysis and reporting.
Instructions
Get daily summary air quality data for all monitoring sites in a county. Daily summaries include arithmetic mean, maximum values, observation counts, and AQI values for each day. Requires state FIPS code (2-digit) and county FIPS code (3-digit).
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| No | Email address registered with EPA AQS API. Optional if AQS_EMAIL environment variable is set. | ||
| key | No | API key from EPA AQS. Optional if AQS_API_KEY environment variable is set. | |
| param | Yes | Parameter code (e.g., 44201 for Ozone, 88101 for PM2.5, 42401 for SO2, 42101 for CO, 42602 for NO2). Multiple codes can be comma-separated (max 5). | |
| bdate | Yes | Begin date in YYYYMMDD format (e.g., 20230101). | |
| edate | Yes | End date in YYYYMMDD format (e.g., 20230131). Must be in the same calendar year as bdate. | |
| state | Yes | Two-digit state FIPS code (e.g., 06 for California, 36 for New York). | |
| county | Yes | Three-digit county FIPS code (e.g., 037 for Los Angeles County). |