Daily chemical concentrations of 26 PM2.5 species from Queens, NYC (2001-2021)
Source:R/data.R
queens.RdA dataset containing the chemical concentrations (in µg/m^3) of 26 PM2.5
species measured every three to six days from 04/04/2001 through 12/30/2021
in Queens, New York City. Data obtained from the U.S. Environmental
Protection Agency's Air Quality System data mart (site ID: 36-081-0124).
Format
A tibble with 2443 rows and 27 variables:
Date: The date the PM2.5 measurements were made...: The remaining 26 variables are the 26 PM2.5 species (in µg/m^3): Al, NH4, As, Ba, Br, Cd, Ca, Cl, Cr, Cu, EC, Fe, Pb, Mg, Mn, Ni, OC, K, Se, Si, Na, S, Ti, NO3, V, Zn
References
US Environmental Protection Agency. Air Quality System Data Mart internet database available via https://www.epa.gov/outdoor-air-quality-data. Accessed July 15, 2022.
Examples
queens
#> # A tibble: 2,443 × 27
#> Date Al NH4 As Ba Br Cd Ca Cl
#> <date> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 2001-04-04 NA 1.62 NA NA NA NA NA NA
#> 2 2001-04-07 0 2.66 0 0.012 0.00488 0 0.0401 0.0079
#> 3 2001-04-13 0.0094 1.41 0.0016 0.024 0.00211 0.004 0.036 0
#> 4 2001-04-19 0.0104 1.22 0.001 0.006 0.00422 0 0.0543 0.003
#> 5 2001-04-25 0.0172 0.723 0.0024 0.015 0.00117 0 0.0398 0
#> 6 2001-05-01 0.0384 3.48 0.0017 0.041 0.00873 0.001 0.136 0
#> 7 2001-05-04 0.0964 6.22 0.0025 0.039 0.0111 0 0.137 0
#> 8 2001-05-07 0.004 0.233 0.001 0.016 0.00263 0 0.055 0.0054
#> 9 2001-05-10 0.0547 2.04 0.001 0.055 0.00521 0 0.121 0.001
#> 10 2001-05-13 0.0215 0.229 0 0.021 0.00122 0 0.0249 0
#> # ℹ 2,433 more rows
#> # ℹ 18 more variables: Cr <dbl>, Cu <dbl>, EC <dbl>, Fe <dbl>, Pb <dbl>,
#> # Mg <dbl>, Mn <dbl>, Ni <dbl>, OC <dbl>, K <dbl>, Se <dbl>, Si <dbl>,
#> # Na <dbl>, S <dbl>, Ti <dbl>, NO3 <dbl>, V <dbl>, Zn <dbl>