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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… |
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18 | 57828 | September 5, 2025 |
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PurpleAir Map Guide
This guide introduces the PurpleAir map and helps you navigate its features with confidence. Whether you’re just getting started or need a quick refresher, it’s here to support your understanding. What You See on … |
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7 | 68386 | May 1, 2025 |
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Welcome to the PurpleAir Community
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0 | 1776 | August 27, 2021 |
| About the PurpleAir API |
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3 | 33948 | August 16, 2026 |
| How to make US-EPA conversion the default? |
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2 | 14 | August 15, 2026 |
| Watch Duty claims my sensor is offline IT IS NOT |
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0 | 9 | August 15, 2026 |
| Sensor correction request - or exclude? |
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0 | 10 | August 13, 2026 |
| What are the pm2.5 levels used as breakpoints on Purple Map? |
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0 | 29 | August 13, 2026 |
| The New PurpleAir Website |
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1 | 128 | August 12, 2026 |
| Discrepancy with Nearby Sensor |
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5 | 54 | August 10, 2026 |
| Sensor JSON Documentation |
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8 | 2133 | August 10, 2026 |
| Retrieving specific fields |
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1 | 15 | August 9, 2026 |
| US EPA Conversion: AQI 38; Woodsmoke: AQI 18. What's the "real" air quality? |
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0 | 23 | August 8, 2026 |
| Is there a field that returns data with US EPA pm2.5 conversion formula applied? |
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16 | 2198 | March 4, 2026 |
| FreeAir - Android widgets for PurpleAir |
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13 | 113 | August 7, 2026 |
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Have the EPA PM2.5 Breakpoints Changed?
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2 | 81 | August 4, 2026 |
| Map is displaying incorrect value |
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0 | 30 | August 4, 2026 |
| New Here – Need Help Getting Started |
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2 | 216 | August 4, 2026 |
| Introduction |
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1 | 98 | August 4, 2026 |
| Support for Matter V1.2 |
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4 | 347 | August 4, 2026 |
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PA-II-Flex 7.04 Temp Press and Humidity Sensor not reporting
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2 | 37 | August 4, 2026 |
| Replacement Parts Sought for 5 yr old PA-II Classic |
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1 | 27 | August 3, 2026 |
| WiFi & Status Indicators |
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4 | 80 | July 30, 2026 |
| SD Card Overview |
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1 | 456 | July 30, 2026 |
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Sensor light is red and is not reported on map, Worked yesterday
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4 | 72 | July 30, 2026 |
| Can't create API Key |
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2 | 141 | July 30, 2026 |
| Adding third party sensors to the map? |
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1 | 57 | July 29, 2026 |
| Does PurpleAir have an app? |
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14 | 15695 | July 29, 2026 |
| Zen - 3 white one red |
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1 | 37 | July 28, 2026 |
| Position Ratings Clarification |
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6 | 535 | July 28, 2026 |