# Tools for the Analysis of Air Pollution Data

## Documentation for package ‘openair’ version 2.19.0

- DESCRIPTION file.
- Package NEWS.

## Help Pages

aqStats | Calculate summary statistics for air pollution data by year
binData | Bin data, calculate mean and bootstrap confidence interval in the mean
bootMeanDF | Bin data, calculate mean and bootstrap confidence interval in the mean
calcFno2 | Estimate NO2/NOX emission ratios from monitoring data
calcPercentile | Calculate percentile values from a time series
calendarPlot | Plot time series values in a conventional calendar format
conditionalEval | Conditional quantile estimates with additional variables for model evaluation
conditionalQuantile | Conditional quantile estimates for model evaluation
corPlot | Correlation matrices with conditioning
cutData | Function to split data in different ways for conditioning
drawOpenKey | Scale key handling for openair
importADMS | CERC Atmospheric Dispersion Modelling System (ADMS) data import function(s) for openair
importADMSBgd | CERC Atmospheric Dispersion Modelling System (ADMS) data import function(s) for openair
importADMSMet | CERC Atmospheric Dispersion Modelling System (ADMS) data import function(s) for openair
importADMSMop | CERC Atmospheric Dispersion Modelling System (ADMS) data import function(s) for openair
importADMSPst | CERC Atmospheric Dispersion Modelling System (ADMS) data import function(s) for openair
importAQE | Import data from individual UK Air Pollution Networks
importAURN | Import data from individual UK Air Pollution Networks
importEurope | Import air quality data from European database until February 2024
importImperial | Import data from Imperial College London networks
importKCL | Import data from Imperial College London networks
importLocal | Import data from individual UK Air Pollution Networks
importMeta | Import monitoring site meta data for UK and European networks
importNI | Import data from individual UK Air Pollution Networks
importSAQN | Import data from individual UK Air Pollution Networks
importTraj | Import pre-calculated HYSPLIT 96-hour back trajectories
importUKAQ | Import data from the UK Air Pollution Networks
importWAQN | Import data from individual UK Air Pollution Networks
linearRelation | Linear relations between pollutants
modStats | Calculate common model evaluation statistics
mydata | Example air quality monitoring data for openair
openColours | Pre-defined openair colours and definition of user-defined colours
percentileRose | Function to plot percentiles by wind direction
polarAnnulus | Bivariate polarAnnulus plot
polarCluster | K-means clustering of bivariate polar plots
polarDiff | Polar plots considering changes in concentrations between two time periods
polarFreq | Function to plot wind speed/direction frequencies and other statistics
polarPlot | Function for plotting bivariate polar plots with smoothing.
pollutionRose | Pollution rose variation of the traditional wind rose plot
quickText | Automatic text formatting for openair
rollingMean | Calculate rolling mean pollutant values
runRegression | Rolling regression for pollutant source characterisation.
scatterPlot | Flexible scatter plots
selectByDate | Subset a data frame based on date
selectRunning | Function to extract run lengths greater than a threshold
smoothTrend | Calculate nonparametric smooth trends
splitByDate | Divide up a data frame by time
summaryPlot | Function to rapidly provide an overview of air quality data
TaylorDiagram | Taylor Diagram for model evaluation with conditioning
TheilSen | Tests for trends using Theil-Sen estimates
timeAverage | Function to calculate time averages for data frames
timePlot | Plot time series
timeProp | Time series plot with categories shown as a stacked bar chart
timeVariation | Diurnal, day of the week and monthly variation
trajCluster | Calculate clusters for back trajectories
trajLevel | Trajectory level plots with conditioning
trajPlot | Trajectory line plots with conditioning
trendLevel | Plot heat map trends
windRose | Traditional wind rose plot