Matthew - I run the same purpleair extension and version. It just grabs some simple AQ stuff. And sends it to a secondary db.
CREATE TABLE archive (`dateTime` INTEGER NOT NULL PRIMARY KEY, `usUnits` INTEGER NOT NULL, `interval` INTEGER NOT NULL, `purple_temperature` REAL, `purple_humidity` REAL, `purple_dewpoint` REAL, `purple_pressure` REAL, `pm1_0_cf_1` REAL, `pm1_0_atm` REAL, `pm2_5_cf_1` REAL, `pm2_5_atm` REAL, `pm10_0_cf_1` REAL, `pm10_0_atm` REAL, `aqi2_5` INTEGER); -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/576ad610-8378-4414-9d68-77cbabd20860n%40googlegroups.com.