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Federal
Data for the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) version 1.0
U.S. Environmental Protection Agency —
Supporting data for CRACMMv1, including the SPECIATE database mapped to CRACMM, input to the Speciation Tool, profile files output from Speciation Tool for input to... -
Federal
Time series analysis of wintertime O3 and NOx formation
U.S. Environmental Protection Agency —
Concentrations of 11 species are reported from continuous measurements taken during a wintertime field study in Utah. Time series data for measured species generally... -
Federal
Lightning NOx Emissions in CMAQ Data
U.S. Environmental Protection Agency —
Meta Data of the dataset for “Assessing the Impact of Lightning NOx Emissions in CMAQ Using Lightning Flash Data from WWLLN over the Contiguous United States” Figure... -
Federal
Relative contributions of select multigeneration products to chamber SOA formed from photooxidation of a range (C10-C17) of n-alkanes under high NOx conditions
U.S. Environmental Protection Agency —
A series of chamber experiments was conducted to investigate the change in the relative contribution of multigeneration reaction products to total secondary organic... -
Federal
KORUS_AQ 2016 Data Archive
U.S. Environmental Protection Agency —
Archived data for the 2016 KORUS-AQ study in South Korea. Data may include non-EPA data generated on the DC-8 aircraft and both EPA and non-EPA data generated to... -
Federal
Raw data from "Uncertainty in collocated mobile measurements of air quality" version 1.1, updated 2020-04-13
U.S. Environmental Protection Agency —
This is the raw pollutant data collected on August 6, 2014 in the greater Denver, Colorado area by three mobile air pollution platforms. Data was collected by Aclima,... -
Federal
Significant Ground-level Ozone Attributed to Lightning-induced Nitrogen Oxides during Summertime over the Mountain West States
U.S. Environmental Protection Agency —
This link provides the description and the data files that were used to create the tables and figures in the product. This dataset is associated with the following... -
Federal
Changes in ozone chemical sensitivity in the U.S. from 2007 to 2016
U.S. Environmental Protection Agency —
We used data from EPA's AQS database and from the Ozone NAAQS review documentation. This dataset is associated with the following publication: Koplitz, S., H. Simon,... -
Federal
Mutagenic atmospheres resulting from the photooxidation of aromatic hydrocarbon and NOx mixtures
U.S. Environmental Protection Agency —
Although many volatile organic compounds (VOCs) are regulated to limit air pollution and the consequent health effects, the photooxidation products generally are not.... -
Federal
Characterization of Aerosol Nitro Aromatic Compounds Validation of an Experimental Method
U.S. Environmental Protection Agency —
The analytical capabilities associated with the use of silylation reactions have been extended to a new class of organic molecules, nitroaromatic compounds (NACs).... -
Federal
Metadata entry - Inferring changes in summertime surface ozone NOx-VOC chemistry over U.S. urban areas from two decades of satellite and ground-based observations
U.S. Environmental Protection Agency —
Urban ozone (O3) formation can be limited by NOx, VOCs, or both, complicating the design of effective O3 abatement plans. A satellite-retrieved ratio of formaldehyde... -
Federal
DailyRegionalLNOxEmissions05_2018
U.S. Environmental Protection Agency —
This dataset contains WRF/CMAQ model output in IOAPI format and Excel file to analyze the NOx emissions budget by month and region. This dataset is associated with... -
Federal
Simulating Lightning NOX Production in CMAQ: Evolution of Scientific Updates
U.S. Environmental Protection Agency —
The dataset contains lightning produced column NO from different schemes with different parameters and the resulting surface ozone mixing ratios by incorporating... -
Federal
Constraints on primary and secondary particulate carbon sources using chemical tracer and 14C methods during CalNex-Bakersfield
U.S. Environmental Protection Agency —
The present study investigates primary and secondary sources of organic carbon for Bakersfield, CA, USA as part of the 2010 CalNex study. The method used here... -
Federal
Quantifying wintertime O3 and NOx formation with relevance vector machines
U.S. Environmental Protection Agency —
Underlying data associated with figures in publication. Portions of this dataset are inaccessible because: Data is now available for public access. They can be... -
Federal
Space-time paired simulation-observation records
U.S. Environmental Protection Agency —
Files uploaded to ScienceHub pair the model results in space and time to observations of NCAR NOy, NO, NO2 and O3, UC Berkeley NO2, peroxy nitrates, alkyl nitrates,... -
Federal
Evaluation and Comparison of Methods for Measuring Ozone and NO2 Concentrations in Ambient Air during DISCOVER-AQ
U.S. Environmental Protection Agency —
NO2 and O3 data from the DISCOVER-AQ field study measured by the United States EPA. This dataset is associated with the following publication: Long, R., M. Beaver, R.... -
Federal
Simulating Lightning NOX Production in CMAQv5.2: Performance Evaluations
U.S. Environmental Protection Agency —
The description of the dataset and all relevant information are provided at the linked webpage. This dataset is associated with the following publication: Kang, D.,... -
Federal
Assessment of NO2 observations during DISCOVER-AQ and KORUS-AQ field campaigns
U.S. Environmental Protection Agency —
These data include three-dimensional meteorological (WRF) and air quality (CMAQ) model output for 4-km and 2-km domains covering the San Joaquin Valley (SJV) of... -
Federal
paper-1-tke-drydep
U.S. Environmental Protection Agency —
this data is in excel sheets. This dataset is associated with the following publication: Alapaty, K., B. Cheng, J. Bash, J.W. Munger, J. Walker, and S. Arunachalam....