aqs_annual_summary_by_site
Retrieve annual air quality statistics for specific monitoring sites, including pollutant means, percentiles, exceedance counts, and data completeness metrics for regulatory compliance analysis.
Instructions
Get annual summary data for a specific EPA air quality monitoring site. Annual summaries include yearly statistics such as arithmetic mean, standard deviation, maximum values, percentiles (10th through 99th), observation counts, data completeness metrics, and exceedance counts for primary and secondary NAAQS standards.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| No | Email address registered with the AQS API. If not provided, uses AQS_EMAIL environment variable. | ||
| key | No | API key for AQS access. If not provided, uses AQS_API_KEY environment variable. | |
| param | Yes | Parameter code for the pollutant (e.g., "44201" for Ozone, "88101" for PM2.5, "42401" for SO2, "42101" for CO, "42602" for NO2, "81102" for PM10). Up to 5 comma-separated codes allowed. | |
| bdate | Yes | Begin date in YYYYMMDD format. Must be in the same calendar year as edate. | |
| edate | Yes | End date in YYYYMMDD format. Must be in the same calendar year as bdate. | |
| state | Yes | 2-digit FIPS state code (e.g., "06" for California, "36" for New York). | |
| county | Yes | 3-digit FIPS county code (e.g., "037" for Los Angeles County). | |
| site | Yes | 4-digit AQS site number within the county. |