## New York Air Quality Measurements

## Usage

    data(airquality)

## Format

A data frame with 154 observations on 6 variables.

[,1] | Ozone | numeric | Ozone (ppb)
[,2] | Solar.R | numeric | Solar R (lang)
[,3] | Wind | numeric | Wind (mph)
[,4] | Temp | numeric | Temperature (degrees F)
[,5] | Month | numeric | Month 1-12
[,6] | Day | numeric | Day of month 1-31

## Description

Daily readings of the following air quality values for May 1, 1973 (a Tuesday) to September 30, 1973: mean ozone in parts per billion from 1300 to 1500 hours at Roosevelt Island, solar radiation (Solar.R) in Langleys in the frequency band 4000-7700 Angstroms from 0800 to 1200 hours at Central Park, Average wind speed (Wind) in miles per hour at 0700 and 1000 hours at LaGuardia Airport, maximum daily temperature (Temp) in degrees Fahrenheit at La Guardia Airport.

## Source

The data were obtained from the New York State Department of Conservation (ozone data) and the National Weather Service (meteorological data).

## References

Chambers, J. M., W. S. Cleveland, B. Kleiner and P. A. Tukey (1983). Graphical Methods for Data Analysis. Belmont, CA: Wadsworth.

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