US EPA AQI Index levels, names, colors and action text

Source: R/AirMonitor-package.R

Official, US EPA AQI levels, names, colors and action text are provided in a list for easy coloring and labeling.

US_AQI

Format

A list with named elements

Details

AQI breaks and associated names and colors

Note

The low end of each break category is used as the breakpoint.

Breaks

Breakpoints are given in units reported for each parameter and include:

  • breaks_AQI

  • breaks_CO

  • breaks_NO2

  • breaks_OZONE_1hr

  • breaks_OZONE_8hr

  • breaks_PM2.5

  • breaks_PM10

Colors

Several different color palettes are provided:

  • colors_EPA -- official EPA AQI colors

  • colors_subdued -- subdued colors fo use with leaflet maps

  • colors_deuteranopia -- color vision impaired colors

Names

Names of AQI categories are provided in several languages identified by the ISO 639-2 alpha-3 code:

  • names_eng

  • names_spa

Actions

Text for "actions to protect yourself" are provided for each category in several languages identified by the ISO 639-2 alpha-3 code:

  • actions_eng

  • actions_spa

Currently supported languages include English (eng) and Spanish (spa).

AQI breaks and colors are defined at https://document.airnow.gov/technical-assistance-document-for-the-reporting-of-daily-air-quailty.pdf and are given in units appropriate for each pollutant.

Examples

print(US_AQI$breaks_AQI)
#> [1] -Inf   50  100  150  200  300  Inf
print(US_AQI$colors_EPA)
#> [1] "#00E400" "#FFFF00" "#FF7E00" "#FF0000" "#8F3F97" "#7E0023"
print(US_AQI$names_eng)
#> [1] "Good"           "Moderate"       "USG"            "Unhealthy"     
#> [5] "Very Unhealthy" "Hazardous"     
print(US_AQI$names_spa)
#> [1] "Buena"         "Moderada"      "IGS"           "Insalubre"    
#> [5] "Muy insalubre" "Peligrosa"