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 | 3494 | 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 | 1627 | January 24, 2025 |
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Sensor WiFi 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 | 178054 | November 6, 2023 |
| Data Layer |
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0 | 2 | March 24, 2025 |
| Flex sensor went offline, red power led is on |
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0 | 4 | March 24, 2025 |
| High AQI reading from local sensor |
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4 | 42 | March 20, 2025 |
| SD Card data is missing when PA Flex is used outside |
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2 | 50 | March 17, 2025 |
| Sensor has wildly wrong temperature |
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8 | 158 | March 6, 2025 |
| Sensor shows on map - MyPurpleAir App stopped showing data |
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0 | 20 | March 1, 2025 |
| Temperature readings are extremely high |
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3 | 61 | February 28, 2025 |
| BME680 VOC Scale Change on the PurpleAir Map |
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8 | 1428 | February 21, 2025 |
| What Do PurpleAir Sensors Measure and How Do They Work? |
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0 | 9978 | February 3, 2023 |
| wired/Ethernet connection option still planned? |
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15 | 487 | February 21, 2025 |
| Pixel sensor |
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4 | 126 | February 14, 2025 |
| Accessing Serial Data From PurpleAir Sensors |
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0 | 233 | April 30, 2024 |
| LED color is cool but flashing is super distracting |
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0 | 27 | February 2, 2025 |
| WiFi connection |
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1 | 27 | January 31, 2025 |
| Why so many devices showing -307C temperature? |
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2 | 48 | January 21, 2025 |
| Sensor shows up on map, but not through other apps |
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1 | 53 | January 21, 2025 |
| Sensor not reporting data |
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9 | 299 | January 16, 2025 |
| Outdoor sensor detached |
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1 | 34 | January 16, 2025 |
| Both sensors read 0 counts |
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6 | 64 | January 16, 2025 |
| Sensors and salt air |
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3 | 94 | January 13, 2025 |
| WiFi Troubleshooting |
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0 | 5041 | June 14, 2024 |
| Data Disparities btw Proximate Monitors |
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1 | 24 | January 7, 2025 |
| Purple Air Sensor without WIFI |
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3 | 232 | January 3, 2025 |
| Sensor (Laser Counter) Replacement |
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5 | 1466 | December 30, 2024 |
| Disable one sensor |
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2 | 74 | December 24, 2024 |
| Difficulty connecting and staying connected to Wifi |
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2 | 46 | December 20, 2024 |
| Flex Sensor Location |
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1 | 52 | December 19, 2024 |