Hi Daniel,
All cool but you are plotting PM not AQI .
AQI is a value calculated from either a single PM type or multiple PM
types.
https://aqicn.org/calculator
https://en.wikipedia.org/wiki/Air_quality_index
The AQI plugin is supposed to do that and it creates a new db to save
the AQI values in it.
I have an Ecowitt PM2.5 monitor and that data is being saved to the
weewx db, I'm investigating how I can calculate AQI from that data using
the AQI plugin and then show the actual AQI via the Belchertown skin.
I've just been wondering if anyone else has done that, and if so, how ?
If not one has done that yet, I'll plod on and eventually work it out :)
cheers
Tim
On 23/9/20 2:06 am, Daniel Rich wrote:
I have it working with my PurpleAir and the weewx-purple extension.
All I had to do was add pm2_5 to my sensor list and create a graph:
station_observations = barometer, dewpoint, outHumidity,
rainWithRainRate, pm2_5, radiation
And in /etc/weewx/skins/Belchertown/graphs.conf:
[[chart7]]
title = Air Quality
[[[pm2_5]]]
name = AQI PM 2.5
zIndex = 1
color = "#becc00"
[[[pm1_0]]]
name = AQI PM 1.0
zIndex = 1
color = "#ffc83f"
[[[pm10_0]]]
name = AQI PM 10.0
zIndex = 1
color = "#c83fff"
You can see it in action at https://www.lapseofthought.com/weather/
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