AQI in CA by Date

GET https://aqs.epa.gov/data/api/dailyData/byState?email={{email}}&key={{key}}&param={{param}}&bdate=20200809&edate=20200811&state={{state}}

There are several different parameter codes. 88101 is PM2.5 LOCAL CONDITIONS, and 88502 is SPECIATION MASS.

The parameter information has further explanation on the Air Data - Frequent Questions page: https://www.epa.gov/outdoor-air-quality-data/air-data-frequent-questions

bdate is beginning date, shown as YYYYMMDD and edate is the ending date. Replace these dates for the time period you are looking for.

Request Params