Sensors
Troubleshooting This category provides a selection of articles and topics to assist users with troubleshooting problems associated with setting up, maintaining, and using PurpleAir sensors.
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Sensor Owner's Guide
Introduction Welcome to PurpleAir! By purchasing a sensor, you have joined a worldwide network of people striving to better understand their air. You can now contribute to that network by setting up your device. Doing … |
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6 | 4181 | October 11, 2024 |
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About PurpleAir Sensors
This category serves as a knowledge base for information regarding PurpleAir sensors and other hardware. Here you can find information about setting up your sensor, troubleshooting, and other related topics. If you have … |
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4 | 1722 | January 24, 2025 |
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Sensor Wi-Fi and Registration
This guide will help you set up your PurpleAir sensor. To set up this device, you will need the sensor’s device ID, an email associated with the sensor, a local WiFi network, and a WiFi-enabled device like a phone or c… |
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14 | 184626 | November 6, 2023 |
| Connecting a purple air sensor to my server |
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3 | 32 | June 13, 2025 |
| Custom data processor not receiving data? |
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3 | 323 | June 10, 2025 |
| My sensor’s reading differ from others nearby |
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2 | 46 | June 10, 2025 |
| Sensor Offline, Dead for good? |
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5 | 81 | June 9, 2025 |
| SD Card Logging and Troubleshooting |
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11 | 5312 | June 6, 2025 |
| Setting up sensor after moving |
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1 | 23 | June 4, 2025 |
| Problems Connecting a Sensor with a Laptop |
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1 | 34 | June 4, 2025 |
| Recommended power adapter |
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2 | 62 | June 3, 2025 |
| VOC Measurement Availability |
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5 | 333 | June 2, 2025 |
| PurpleAir Touch and EPA correction |
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2 | 37 | May 23, 2025 |
| Conversion Factor for PM2.5 AQI LEDs (Zen) |
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4 | 407 | May 21, 2025 |
| PIXEL sensor Serial Readout |
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6 | 76 | May 17, 2025 |
| Purple Air sensor number |
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4 | 27 | May 13, 2025 |
| Pixel with Linux or Android? |
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0 | 28 | May 10, 2025 |
| Inaccurate High AQI reading |
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4 | 40 | May 6, 2025 |
| Can a PA Flex connect to 802.1x wifi? |
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2 | 31 | May 6, 2025 |
| How to View Data from the Pixel using the PurpleAir Utility |
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0 | 148 | May 2, 2025 |
| Conclusions BME688 |
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7 | 192 | April 26, 2025 |
| Year of Sensor |
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2 | 48 | April 25, 2025 |
| Wi-Fi Troubleshooting |
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0 | 6553 | June 14, 2024 |
| Bug Report - SD card fails when launched cold |
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1 | 35 | April 16, 2025 |
| Flex sensor went offline, red power led is on |
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1 | 53 | April 2, 2025 |
| Data Layer |
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1 | 28 | April 2, 2025 |
| High AQI reading from local sensor |
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4 | 90 | March 20, 2025 |
| SD Card data is missing when PA Flex is used outside |
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2 | 73 | March 17, 2025 |
| Sensor has wildly wrong temperature |
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8 | 187 | March 6, 2025 |
| Sensor shows on map - MyPurpleAir App stopped showing data |
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0 | 53 | March 1, 2025 |