pm25_quarterly_2022: Quarterly PM2.5 monitor averages over CONUS in 2022
In ngme2: Linear Latent Non-Gaussian Models with Flexible Distributions
pm25_quarterly_2022 R Documentation
Quarterly PM2.5 monitor averages over CONUS in 2022
Description
A processed example dataset containing quarterly fine particulate matter
(PM2.5) averages for monitoring sites in the contiguous United States.
The data are derived from the US EPA Air Quality System and AirData
pre-generated monitor files and aggregated to site-quarter means.
Usage
data("pm25_quarterly_2022")
Format
A data frame with 2640 rows and 9 columns.
- site_id
EPA monitor site identifier.
- state
State name.
- county
County name.
- lat
Monitor latitude in decimal degrees.
- lon
Monitor longitude in decimal degrees.
- quarter
Calendar quarter, coded as Q1, Q2, Q3, or Q4.
- pm25_q
Quarterly average PM2.5 concentration in micrograms per cubic meter.
- n_days
Number of daily monitor summaries contributing to the quarterly average.
- replicate
Integer replicate index corresponding to quarter.
Source
US EPA Air Quality System Data Mart and EPA AirData pre-generated
files for PM2.5 monitor summaries.
https://www.epa.gov/aqs
https://aqs.epa.gov/aqsweb/airdata/download_files.html
ngme2 documentation built on May 20, 2026, 9:10 a.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
| pm25_quarterly_2022 | R Documentation |
Quarterly PM2.5 monitor averages over CONUS in 2022
Description
A processed example dataset containing quarterly fine particulate matter (PM2.5) averages for monitoring sites in the contiguous United States. The data are derived from the US EPA Air Quality System and AirData pre-generated monitor files and aggregated to site-quarter means.
Usage
data("pm25_quarterly_2022")
Format
A data frame with 2640 rows and 9 columns.
- site_id
EPA monitor site identifier.
- state
State name.
- county
County name.
- lat
Monitor latitude in decimal degrees.
- lon
Monitor longitude in decimal degrees.
- quarter
Calendar quarter, coded as
Q1,Q2,Q3, orQ4.- pm25_q
Quarterly average PM2.5 concentration in micrograms per cubic meter.
- n_days
Number of daily monitor summaries contributing to the quarterly average.
- replicate
Integer replicate index corresponding to quarter.
Source
US EPA Air Quality System Data Mart and EPA AirData pre-generated files for PM2.5 monitor summaries. https://www.epa.gov/aqs https://aqs.epa.gov/aqsweb/airdata/download_files.html
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.