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	34510	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	58391	September 5, 2025
About the API category	0	797	October 22, 2021
API Pricing	52	15914	August 25, 2026
US EPA Conversion: AQI 38; Woodsmoke: AQI 18. What's the "real" air quality?	0	42	August 8, 2026
Is there a field that returns data with US EPA pm2.5 conversion formula applied?	16	2316	March 4, 2026
Can't create API Key	2	161	July 30, 2026
Home Assistant / API key access to private sensor	3	381	July 17, 2026
Invalid API Read Key	1	63	July 16, 2026
Trouble downloading sensor data	2	56	June 25, 2026
PurpleAir Download Tool	5	429	June 24, 2026
API Points for Sensor Owners	6	3713	June 16, 2026
Request for PurpleAir API Access for Academic Disaster Detection Project (CRISIS-AI)	2	92	April 27, 2026
Do API keys ever expire?	0	20	April 24, 2026
API Fields Descriptions	19	5837	February 18, 2026
Max Daily Pm2.5 Values?	1	119	January 27, 2026
Syncing PurpleAir data to Notion	0	84	October 13, 2025
How to Get Historical Sensor Data Step-by-Step Using the Data Download Tool	0	1012	August 29, 2025
Issue with PurpleAir Group – Sensors Disappeared After API Call	4	172	August 20, 2025
How to Make Efficient API Calls	0	2757	November 6, 2023
Contradictory cf Information in API Docs	1	110	June 17, 2025
PurpleAir Data Migration to BigQuery and a New API	9	2163	April 28, 2025
What is the Difference Between CF=1, ATM, and ALT?	23	7661	March 22, 2025
Making API Calls with the PurpleAir API	18	68557	March 20, 2025
API data varies from Local Data	3	275	March 15, 2025
Is my raw data available?	1	385	June 19, 2024
Filtrete Android App keeps loosing connection with PurpleAir air quality monitor	3	114	January 16, 2025
Can I be OK'd to download data from my own sensors?	1	299	January 7, 2025
Points update?	2	291	January 7, 2025
Historical API end_timestamp incorrect	1	93	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

34510

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…