Manual - UK DAQI and rollingMean

stevecrawshaw commented 4 years ago

In the openair manual, P. 102 there is a description of the UK DAQI that I believe is incorrect for PM2.5 and PM10. The Defra site states that PM10 and PM2.5 DAQI is a running 24 hr mean but it is described as a fixed daily mean in the manual.

EDIT: I have been advised by the LAQM helpdesk that historic data is fixed daily mean and daily use of DAQI is the rolling mean, so please ignore above.

I think also that the table with the index values is incorrect by an integer, possibly due to the update and rounding.

Also, the documentation for rollingMean() states that the UK DAQI uses a right - align rollingMean(), but this is not reflected in the sample code for the calendarPlot using DAQI metrics on p.103 as the default is "centre".

EDIT similarly ignore below Interestingly, when I run:

dat <- importAURN(site = "BRS8", year = 2018)

 pm25roll <- rollingMean(dat, pollutant = "pm2.5", hours = 24, new.name = "rpm2.5", align = "right")

calendarPlot(pm25roll, year = 2018, pollutant = "rpm2.5", labels = labels,
             breaks = pm10.breaks, statistic = "max", cols = "jet")

It doesn't correspond with the DAQI data on Defra's page See e.g. 2018-01-12 and 2018-03-04 - not shown as moderate on defra's page.

jack-davison commented 1 year ago

Hi Steve,

Transferring this over to the openair-book repo as the openair manual has been superseded by the openair book. It no longer has the DAQI table in it, but there are examples relating to the DAQI in there so we'll take a look.

Cheers, Jack

stevecrawshaw commented 1 year ago

Thanks Jack, doing some good work tidying up github 😊 steve

From: Jack Davison @.> Sent: 07 February 2023 09:51 To: davidcarslaw/openair-book @.> Cc: Steve Crawshaw @.>; Author @.> Subject: Re: [davidcarslaw/openair-book] Manual - UK DAQI and rollingMean (#1)

Hi Steve, Transferring this over to the openair-book repo as the openair manual has been superseded by the openair book. It no longer has the DAQI table in it, but there are examples relating to the DAQI in there so we'll take a look. Cheers, ZjQcmQRYFpfptBannerStart This Message Is from an External Sender This message came from outside Bristol City Council, think before opening attachments or clicking links ZjQcmQRYFpfptBannerEnd

Hi Steve,

Transferring this over to the openair-book repo as the openair manual has been superseded by the openair bookhttps://urldefense.com/v3/__https:/bookdown.org/david_carslaw/openair/calendar-plot.html*calendar-examples__;Iw!!KUxdu5-bBfnh!5ROP5DK2-3HT6lh1BVrKW1IopZtJoz0nqRseXF3bMzVegnYc3h6kTcOEocoJXVtAOj2sJFl8hZwDK_Mc_z7J7z7LR25qWfpgffo$. It no longer has the DAQI table in it, but there are examples relating to the DAQI in there so we'll take a look.

Cheers, Jack

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Manual - UK DAQI and rollingMean #1