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Weak/defective Sensor?
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0
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38
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May 22, 2026
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Ferrite Power Supply in PA Flex
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0
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32
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May 21, 2026
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Difficulty connecting and staying connected to Wifi
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4
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163
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May 16, 2026
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How to transfer sensors to a different email account
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1
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44
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May 13, 2026
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Changing My Owner's Email
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0
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26
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May 12, 2026
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Calibration of PurpleAir monitors
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24
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4321
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May 9, 2026
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Results of the PurpleAir Donation Program (April - July '25)
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9
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323
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May 7, 2026
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Sensor Doesn't log data
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2
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48
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May 7, 2026
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Accuracy of Ultrafine PM measurements (in the desert)
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2
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93
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May 6, 2026
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Why does the "Brazilian PM2.5 (µg/m³)" layer show higher raw concentration values than other µg/m³ layers (Tasmania, Canada BC, Raw PM2.5)?
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0
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36
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May 5, 2026
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Sensors not reporting correctly
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1
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85
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May 3, 2026
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PA-I light is off, flickers, seems to indicate trouble?
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0
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22
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May 3, 2026
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Can I Connect My Sensor to Weather Underground?
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20
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3587
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May 1, 2026
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Distance running
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0
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18
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April 27, 2026
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Request for PurpleAir API Access for Academic Disaster Detection Project (CRISIS-AI)
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2
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80
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April 27, 2026
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WIFI Disconnected
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3
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62
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April 25, 2026
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Do API keys ever expire?
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0
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15
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April 24, 2026
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Add more info on Sensor Pop-up
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0
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17
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April 24, 2026
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IAQ and public housing EJ study
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3
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604
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April 24, 2026
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System refuses to let me update the monitor
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1
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54
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April 20, 2026
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Portable Air Quality Monitor for Real Use
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0
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59
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April 20, 2026
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How to reset downgraded sensor channel?
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14
|
518
|
April 8, 2026
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Way too low/zero readings nationwide
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7
|
135
|
April 8, 2026
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Poor Sensor correlation
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5
|
107
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April 5, 2026
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Identifying dust events using only PA sensor data
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0
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80
|
March 15, 2026
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Bug Report - SD card fails when launched cold
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6
|
143
|
March 12, 2026
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Is there a field that returns data with US EPA pm2.5 conversion formula applied?
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16
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2153
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March 4, 2026
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I bought a sensor off ebay
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3
|
124
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March 4, 2026
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API Fields Descriptions
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19
|
5620
|
February 18, 2026
|
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Calculating Sensor Uptime
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2
|
68
|
February 18, 2026
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