aqs_daily_summary_by_cbsa
Retrieve daily air quality summaries for metropolitan areas, including pollutant levels, AQI values, and statistical data from EPA monitoring sites.
Instructions
Get daily summary air quality data for all monitoring sites in a Core Based Statistical Area (CBSA). CBSAs are metropolitan or micropolitan statistical areas defined by the US Office of Management and Budget. Daily summaries include arithmetic mean, maximum values, observation counts, and AQI values for each day.
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. | |
| cbsa | Yes | Core Based Statistical Area code (e.g., 16980 for Chicago, 31080 for Los Angeles). |