pm25_2011_durham: Air quality for Durham, NC

In tessington/qsci381: Data used in QSCI 381, University of Washington

Description

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

Usage

pm25_2011_durham

Format

A data frame with 449 observations on the following 20 variables.

date

Date

aqs_site_id

a factor with levels 37-063-0015

poc

a numeric vector

daily_mean_pm2_5_concentration

a numeric vector

units

a factor with levels ug/m3 LC

daily_aqi_value

a numeric vector

daily_obs_count

a numeric vector

percent_complete

a numeric vector

aqs_parameter_code

a numeric vector

aqs_parameter_desc

a factor with levels Acceptable PM2.5 AQI & Speciation Mass PM2.5 - Local Conditions

csa_code

a numeric vector

csa_name

a factor with levels Raleigh-Durham-Cary, NC

cbsa_code

a numeric vector

cbsa_name

a factor with levels Durham, NC

state_code

a numeric vector

state

a factor with levels North Carolina

county_code

a numeric vector

county

a factor with levels Durham

site_latitude

a numeric vector

site_longitude

a numeric vector

Source

US Environmental Protection Agency, AirData, 2011. http://www3.epa.gov/airdata/ad_data_daily.html

Examples

pm25_2011_durham

tessington/qsci381 documentation built on Sept. 26, 2020, 12:40 p.m.