January
February
March
April
May
June
July
August
September
October
November
December
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
12 Hour (AM/PM) 24 Hour
Arsenic (As) (TSP) (LC) in micrograms per cubic meter (local conditions)
Beryllium (TSP) (LC) in micrograms per cubic meter (local conditions)
Cadmium (TSP) (LC) in micrograms per cubic meter (local conditions)
Chromium (TSP) (LC) in micrograms per cubic meter (local conditions)
Lead (Pb) (TSP) (LC) in micrograms per cubic meter (local conditions)
Manganese (TSP) (LC) in micrograms per cubic meter (local conditions)
Nickel (TSP) (LC) in micrograms per cubic meter (local conditions)
Carbon Monoxide in parts per million
Carbon Dioxide in parts per million
Sulfur Dioxide in parts per billion
NOy in parts per billion
Nitric Oxide in parts per billion
Nitrogen Dioxide in parts per billion
Oxides of Nitrogen in parts per billion
NOz in parts per billion
TNMHC in parts per billion
Total Non-Methane Organic Compounds in parts per billion
Dodecane in parts per billion carbon
Ethane in parts per billion
Ethylene in parts per billion
Propane in parts per billion
Propene in parts per billion
Acetylene in parts per billion
N-BUTANE in parts per billion
Isobutane in parts per billion
Trans-2-Butene in parts per billion
Cis-2-Butene in parts per billion
N-PENTANE in parts per billion
ISO-PENTANE in parts per billion
1-Pentene in parts per billion
TRANS-2-PENTENE in parts per billion
CIS-2-PENTENE in parts per billion
3-METHYLPENTANE in parts per billion
n-Hexane in parts per billion
N-HEPTANE in parts per billion
N-OCTANE in parts per billion
N-NONANE in parts per billion
N-DECANE in parts per billion
CYCLOPENTANE in parts per billion
Isoprene in parts per billion
2,2-DIMETHYLBUTANE in parts per billion
1-HEXENE in parts per billion
2,4-DIMETHYLPENTANE in parts per billion
CYCLOHEXANE in parts per billion
3-METHYLHEXANE in parts per billion
2,2,4-TRIMETHYLPENTA in parts per billion
2,3,4-TRIMETHYLPENTA in parts per billion
3-METHYLHEPTANE in parts per billion
METHYLCYCLOHEXANE in parts per billion
METHYLCYCLOPENTANE in parts per billion
2-METHYLHEXANE in parts per billion
1-Butene in parts per billion
2,3-DIMETHYLBUTANE in parts per billion
2-METHYLPENTANE in parts per billion
2,3-DIMETHYLPENTANE in parts per billion
N-UNDECANE in parts per billion
2-METHYLHEPTANE in parts per billion
Ozone in parts per billion
p-Xylene + m-Xylene in parts per billion
Benzene in parts per billion
Toluene in parts per billion
Ethyl Benzene in parts per billion
o-Xylene in parts per billion
1,3,5-TRI-M-BENZENE in parts per billion
1,2,4-TRI-M-BENZENE in parts per billion
N-PROPYLBENZENE in parts per billion
ISO-PROPYLBENZENE in parts per billion
O-ETHYLTOLUENE in parts per billion
M-ETHYLTOLUENE in parts per billion
P-ETHYLTOLUENE in parts per billion
M-DIETHYLBENZENE in parts per billion
P-DIETHYLBENZENE in parts per billion
Styrene in parts per billion
1,2,3-TRI-M-BENZENE in parts per billion
Wind Speed in miles per hour
Wind Direction in degrees compass
Resultant Wind Speed in miles per hour
Resultant Wind Direction in degrees compass
Maximum Wind Gust in miles per hour
Standard Deviation of Horizontal Wind Direction
Vertical Wind Speed in miles per hour
Standard Deviation of Vertical Wind Speed in miles per hour
Vertical Wind Direction in degrees compass
Outdoor Temperature in degrees Fahrenheit
Dew Point Temperature in degrees Fahrenheit
Relative Humidity in percent relative humidity
Solar Radiation in watts per square meter
Ultraviolet Radiation in watts per square meter
Barometric Pressure in millibars
Precipitation in inches (rainfall)
PM-10 (Standard Conditions) in ug/cu meter (25 c)
Black Carbon PM2.5 (Std) in ug/cu meter (25 c)
UV Carbon - Organic Carbon in ug/cu meter (25 c)
PM-10 (Local Conditions) in micrograms per cubic meter (local conditions)
PM Coarse PM10-PM2.5 (Local Conditions) in micrograms per cubic meter (local conditions)
Total Ultrafine Particle Count under 0.1 um in Particle Count per cm3
PM-2.5 (Local Conditions) in micrograms per cubic meter (local conditions)
Sulfate PM2.5 LC in micrograms per cubic meter (local conditions)
PM-2.5 (Local Conditions) Raw Data in micrograms per cubic meter (local conditions)