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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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19 | 50785 | September 5, 2025 |
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PurpleAir Map Guide
This guide serves as a starting point for using the PurpleAir Map. In it, you’ll find information regarding using and interpreting the map. Map Marker Every PurpleAir sensor on the PurpleAir map will appear as a colo… |
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7 | 61590 | May 1, 2025 |
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Welcome to the PurpleAir Community
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0 | 1649 | August 27, 2021 |
| Calculating Sensor Uptime |
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0 | 1 | February 6, 2026 |
| Particle counts are too low |
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2 | 36 | February 3, 2026 |
| Bug Report - SD card fails when launched cold |
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4 | 83 | February 3, 2026 |
| SD card data doesn't appear to be in UTC |
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0 | 27 | January 30, 2026 |
| 2025 Plantower PMS5003 variation |
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2 | 25 | January 29, 2026 |
| Connecting to a wpa3 network |
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3 | 116 | January 29, 2026 |
| Max Daily Pm2.5 Values? |
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1 | 42 | January 27, 2026 |
| Does anyone else think it is confusing and useless to display other people's INDOOR sensors on the map? |
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2 | 40 | January 26, 2026 |
| Why is California's air so polluted in the current PM2,5 map of 01/11/26 compared to the rest of the US? |
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4 | 132 | January 22, 2026 |
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Power Consumption for Solar Calculations
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3 | 23 | January 21, 2026 |
| Como modificar el sensor en el mapa de muestro |
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1 | 14 | January 21, 2026 |
| wired/Ethernet connection option still planned? |
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17 | 660 | January 19, 2026 |
| SD Card Overview |
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0 | 129 | January 16, 2026 |
| Troubleshooting Missing SD Card Data |
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0 | 85 | January 16, 2026 |
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Flex A + B don't match each other or map. What's up?
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3 | 33 | January 16, 2026 |
| Zen LEDs displaying a rainbow of colors |
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2 | 299 | January 16, 2026 |
| How best to compensate for Fog? |
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0 | 54 | January 2, 2026 |
| Unable to purchase API points in the developer portal |
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1 | 18 | December 31, 2025 |
| Schedule LED brightness |
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13 | 557 | December 30, 2025 |
| VOC of 450 - EPA of 0 |
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2 | 44 | December 30, 2025 |
| CO2 sensor |
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7 | 1349 | December 27, 2025 |
| Pa-ii-flex on 7.04 still has wifi connecting banner and thingspeak connections |
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0 | 23 | December 27, 2025 |
| Do sensors decline in accuracy |
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2 | 55 | December 24, 2025 |
| Air quality in Los Angeles since fires |
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0 | 13 | December 24, 2025 |
| Sensors (example: WAVERLY) report 0 when nearby ~100 |
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0 | 11 | December 21, 2025 |
| How to Calculate the US EPA PM2.5 AQI |
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11 | 6056 | December 20, 2025 |
| Change my user name |
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0 | 11 | December 20, 2025 |