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	34666	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	58639	September 5, 2025
About the API category	0	801	October 22, 2021
API Pricing	52	16059	August 25, 2026
US EPA Conversion: AQI 38; Woodsmoke: AQI 18. What's the "real" air quality?	0	53	August 8, 2026
Is there a field that returns data with US EPA pm2.5 conversion formula applied?	16	2366	March 4, 2026
Can't create API Key	2	170	July 30, 2026
Home Assistant / API key access to private sensor	3	395	July 17, 2026
Invalid API Read Key	1	76	July 16, 2026
Trouble downloading sensor data	2	65	June 25, 2026
PurpleAir Download Tool	5	440	June 24, 2026
API Points for Sensor Owners	6	3749	June 16, 2026
Request for PurpleAir API Access for Academic Disaster Detection Project (CRISIS-AI)	2	100	April 27, 2026
Do API keys ever expire?	0	23	April 24, 2026
API Fields Descriptions	19	5929	February 18, 2026
Max Daily Pm2.5 Values?	1	130	January 27, 2026
Syncing PurpleAir data to Notion	0	89	October 13, 2025
How to Get Historical Sensor Data Step-by-Step Using the Data Download Tool	0	1071	August 29, 2025
Issue with PurpleAir Group – Sensors Disappeared After API Call	4	181	August 20, 2025
How to Make Efficient API Calls	0	2768	November 6, 2023
Contradictory cf Information in API Docs	1	119	June 17, 2025
PurpleAir Data Migration to BigQuery and a New API	9	2179	April 28, 2025
What is the Difference Between CF=1, ATM, and ALT?	23	7745	March 22, 2025
Making API Calls with the PurpleAir API	18	68621	March 20, 2025
API data varies from Local Data	3	282	March 15, 2025
Is my raw data available?	1	391	June 19, 2024
Filtrete Android App keeps loosing connection with PurpleAir air quality monitor	3	121	January 16, 2025
Can I be OK'd to download data from my own sensors?	1	307	January 7, 2025
Points update?	2	298	January 7, 2025
Historical API end_timestamp incorrect	1	99	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

34666

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…