Latest API topics - PurpleAir Community

Topic	Replies	Views	Activity
About the PurpleAir API The PurpleAir API The PurpleAir API is a web service that allows you to obtain air quality data reported by PurpleAir sensors. This is an extensive dataset going back to early 2016. Users wanting to jump straight into …	4	34280	September 1, 2026
PurpleAir Data Download Tool This article is related to the PurpleAir API. If you are unfamiliar with it, check out our About the PurpleAir API page to get started. The PurpleAir Data Download Tool is an open-source tool for downloading PurpleAir…	18	58116	September 5, 2025
About the API category	0	794	October 22, 2021
API Pricing	52	15739	August 25, 2026
US EPA Conversion: AQI 38; Woodsmoke: AQI 18. What's the "real" air quality?	0	37	August 8, 2026
Is there a field that returns data with US EPA pm2.5 conversion formula applied?	16	2269	March 4, 2026
Can't create API Key	2	151	July 30, 2026
Home Assistant / API key access to private sensor	3	369	July 17, 2026
Invalid API Read Key	1	56	July 16, 2026
Trouble downloading sensor data	2	51	June 25, 2026
PurpleAir Download Tool	5	415	June 24, 2026
API Points for Sensor Owners	6	3660	June 16, 2026
Request for PurpleAir API Access for Academic Disaster Detection Project (CRISIS-AI)	2	85	April 27, 2026
Do API keys ever expire?	0	20	April 24, 2026
API Fields Descriptions	19	5767	February 18, 2026
Max Daily Pm2.5 Values?	1	114	January 27, 2026
Syncing PurpleAir data to Notion	0	83	October 13, 2025
How to Get Historical Sensor Data Step-by-Step Using the Data Download Tool	0	955	August 29, 2025
Issue with PurpleAir Group – Sensors Disappeared After API Call	4	169	August 20, 2025
How to Make Efficient API Calls	0	2731	November 6, 2023
Contradictory cf Information in API Docs	1	106	June 17, 2025
PurpleAir Data Migration to BigQuery and a New API	9	2149	April 28, 2025
What is the Difference Between CF=1, ATM, and ALT?	23	7567	March 22, 2025
Making API Calls with the PurpleAir API	18	68472	March 20, 2025
API data varies from Local Data	3	262	March 15, 2025
Is my raw data available?	1	380	June 19, 2024
Filtrete Android App keeps loosing connection with PurpleAir air quality monitor	3	112	January 16, 2025
Can I be OK'd to download data from my own sensors?	1	286	January 7, 2025
Points update?	2	285	January 7, 2025
Historical API end_timestamp incorrect	1	89	December 23, 2024

About the PurpleAir API

The PurpleAir API The PurpleAir API is a web service that allows you to obtain air quality data reported by PurpleAir sensors. This is an extensive dataset going back to early 2016. Users wanting to jump straight into …

4

34280

September 1, 2026

PurpleAir Data Download Tool

This article is related to the PurpleAir API. If you are unfamiliar with it, check out our About the PurpleAir API page to get started. The PurpleAir Data Download Tool is an open-source tool for downloading PurpleAir…