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roe-dl edited this page Aug 5, 2021 · 7 revisions

This extension adds some new units and conversions to WeeWX. They are neccassary for the observations provided by airQ device.

Note: Some observation types can be expressed as concentration as well as fraction. The unit group of the pre-defined observation types of WeeWX does not always correspond to the unit group provided by the airQ device. In those cases you will find the observation types both at concentration section and fraction section.

Concentration

WeeWX unit group: group_concentration

unit WeeWX unit name included in WeeWX observation types airQ observation types
µg/m3 microgram_per_meter_cubed WeeWX no2 pm1_0 pm2_5 pm10_0 h2s no2 pm1_0 pm2_5 pm10_0 o3 so2
mg/m3 milligram_per_meter_cubed airQ co
g/m3 gram_per_meter_cubed airQ absolute humidity

Fraction

WeeWX unit group: group_fraction

unit WeeWX unit name included in WeeWX observation types airQ observation types
ppb ppb airQ no2 o3 so2
ppm ppm WeeWX co co2 nh3 o3 pb so2 co co2
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