PM2.5 | R Documentation |
PM 2.5 pollutants (those less than 2.5 microns in diameter) can be directly emitted from sources such as forest fires, or can form when gases discharged from power plants, industries and automobiles react in the air. Once inhaled, these particles can affect the heart and lungs and cause serious health problems. The DEQ began monitoring PM 2.5 pollutants in Pocatello Idaho in November 1998.
data(PM2.5)
A data frame with 65 observations on the following 2 variables.
Yr.mos
Year and month. A factor with levels 1998 11
1998 12
1999 1
1999 10
1999 11
1999 12
1999 2
1999 3
1999 4
1999 5
1999 6
1999 7
1999 8
1999 9
2000 1
2000 10
2000 11
2000 12
2000 2
2000 3
2000 4
2000 5
2000 6
2000 7
2000 8
2000 9
2001 1
2001 10
2001 11
2001 12
2001 2
2001 3
2001 4
2001 5
2001 6
2001 7
2001 8
2001 9
2002 1
2002 10
2002 11
2002 12
2002 2
2002 3
2002 4
2002 5
2002 6
2002 7
2002 8
2002 9
2003 1
2003 10
2003 11
2003 12
2003 2
2003 3
2003 4
2003 5
2003 6
2003 7
2003 8
2003 9
2004 1
2004 2
2004 3
PM2.5
A numeric vector describing PM 2.5 pollutant levels in mu
g/m^2
.
Idaho department of Environmental Quality
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