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The guidelines of the World Health Organization for particles

Source: R/fct_plots.R
who_guidelines.Rd

The air quality guidelines of 2021, in micrograms per cubic metre: for the average of a day, which should not be exceeded on more than 3 to 4 days a year (the 99th percentile), and for the average of a year. PM1 has none.

Usage

who_guidelines

Format

A data frame with the columns metric ("PM25", "PM10"), day and year, in micrograms per cubic metre.

Examples

who_guidelines
#>   metric day year
#> 1   PM25  15    5
#> 2   PM10  45   15