pm25_2022_durham: Air quality for Durham, NC

In OpenIntroStat/openintro: Datasets and Supplemental Functions from 'OpenIntro' Textbooks and Labs

Air quality for Durham, NC

Description

Daily air quality is measured by the air quality index (AQI) reported by the Environmental Protection Agency in 2022.

Usage

pm25_2022_durham

Format

A data frame with 356 observations on the following 20 variables.

date

Date.

aqs_site_id

The numeric site ID.

poc

A numeric vector, the Parameter Occurance Code.

daily_mean_pm2_5_concentration

A numeric vector with the average daily concentration of fine particulates, or particulate matter 2.5.

units

A character vector with value ug/m3 LC.

daily_aqi_value

A numeric vector with the daily air quality index.

daily_obs_count

A numeric vector.

percent_complete

A numeric vector.

aqs_parameter_code

A numeric vector.

aqs_parameter_desc

A factor vector with level PM2.5 - Local Conditions.

cbsa_code

A numeric vector.

cbsa_name

A character vector with value Durham-Chapel Hill, NC.

state_code

A numeric vector.

state

A character vector with value North Carolina.

county_code

A numeric vector.

county

A character vector with value Durham.

site_latitude

A numeric vector of the latitude.

site_longitude

A numeric vector of the longitude.

site_name

A character vector with value Durham Armory.

Source

US Environmental Protection Agency, AirData, 2022. http://www3.epa.gov/airdata/ad_data_daily.html

Examples

library(ggplot2)

ggplot(pm25_2022_durham, aes(x = date, y = daily_mean_pm2_5_concentration, group = 1)) +
  geom_line()

OpenIntroStat/openintro documentation built on June 4, 2024, 4:19 a.m.