---
title: RAQSAPI - About the timeliness of AQS Data
author: Clinton Mccrowey physical scientist - US EPA
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bibliography: AQSAPI.bib
csl: acs-nano.csl
---

# About the timeliness of AQS Data

EPA's AQS Datamart API, the service that RAQSAPI retrieves data from, does not
host real time (collected now/today) data. If real time data is needed, please
use the AirNow API and direct all questions toward real time data there. RAQSAPI
does not work with AirNow and cannot retrieve real time data. For more details
see section 7.1 of the About AQS Data page[@AboutAQSdata].