NARSTO EPA_SS_HOUSTON: PM2.5 Nitrate, Sulfate, and Carbon Measurements from 2000-2001

NARSTO_EPA_SS_HOUSTON_NO3_SO4_C_DATA contains continuous measurements of PM2.5 nitrate, sulfate, and carbon collected from August 12, 2000 through November 5, 2001 at three monitoring locations in Houston, Texas. The data were gathered by the U.S. Environmental Protection Agency (EPA) as part of the Houston Supersite project to characterize particulate matter composition and support health effects studies. NARSTO, a public/private partnership across North America, coordinates the data for policy-relevant air pollution research.

Use Cases

• Analyze temporal trends in PM2.5 nitrate, sulfate, and carbon concentrations based on the continuous measurement data.
• Compare air pollution composition across different urban monitoring sites (Aldine, Deer Park, LaPorte) mentioned in the description.
• Support the development and testing of new methods for characterizing fine particulate matter as described in the Supersite goals.
• Provide input for exposure and health effects studies based on the physical and chemical characterization data collected.

Strengths

• Continuous measurements over a defined 15-month period from August 2000 to November 2001.
• Data collected at three distinct monitoring locations (Aldine, Deer Park, LaPorte) for spatial comparison.
• Specific measurement methods are documented (R&P 8400N for nitrate, Prototype ADI Monitor for sulfate and carbon).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data is from 2000-2001; freshness should be verified for contemporary applications.
• Row count is unknown, which may limit suitability assessment for large-scale modeling.

Provenance

Source

U.S. Environmental Protection Agency (EPA) Houston Supersite, managed by NARSTO and hosted by NASA.

Collection Method

Continuous measurements collected using specified instrument methods (R&P 8400N, Prototype ADI Particulate Sulfate and Carbon Monitor).

Time Range

August 12,我们发现2000 through November 5, 2001.

Freshness

Last updated 2026-03-12 23:31:03.203350; freshness should be verified.

Geography

Houston, Texas, USA, specifically the Aldine, Deer Park, and LaPorte monitoring locations.