Weather Station Hardware > Air Quality Sensors
Davis AirLink vs. PurpleAir Accuracy
Slrpwr:
Has anyone compared the accuracy of the Davis AirLink to the PurpleAir PA-II? I have both installed at the same location and the PurpleAir reports consistently higher raw results at PM 2.5, 10 & 1.
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You can see the real-time results here: https://bollar.org/wx/saratoga/wxairquality.php
ConligWX:
Mine is similar but the Airlink is set UK COMEAP AQI values
https://www.conligwx.org/pws/air-quality-charts.php
Airlink UK COMEAP AQI
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Airlink UA EPA AQI
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Slrpwr:
For comparison, here's my Weather34 AQI page: https://bollar.org/wx/weather34/air-quality-charts.php
Maybe I should install the VOC sensor for completeness. ;)
mcrossley:
--- Quote from: ConligWX on February 04, 2021, 11:29:36 AM ---Mine is similar but the Airlink is set UK COMEAP AQI values
--- End quote ---
Looking at yours the AL seems to be lower at low values, but records higher values. Are your charts 24 hour averages?
josecmorales:
--- Quote from: Slrpwr on February 04, 2021, 11:33:04 AM ---For comparison, here's my Weather34 AQI page: https://bollar.org/wx/weather34/air-quality-charts.php
Maybe I should install the VOC sensor for completeness. ;)
--- End quote ---
Airlink have more peaks unlike of PA
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