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Full catalog/TRPSDL2O3CRSWCF
TRPSDL2O3CRSWCF·v1·dataset

Ozone in the air over West Coast wildfires

TROPESS CrIS-SNPP L2 Ozone for West Coast Fires, Standard Product V1 (TRPSDL2O3CRSWCF) at GES DISC
atmosphere NASA GES_DISC Level 2
In plain English

What it measures. Shows ozone and how its amount varies at different altitudes, focused on the continental U.S. during the late-summer-to-fall 2020 West Coast wildfires.

How it's made. Built from the CrIS infrared instrument on Suomi-NPP, with the readings converted into actual ozone amounts by the MUSES estimation model.

How & where you'd use it. Used to study how wildfire smoke and pollution drove ozone levels during a severe fire season, informing air-quality and health research.

What's measured

ATMOSPHERE › ATMOSPHERIC CHEMISTRY › OXYGEN COMPOUNDS › ATMOSPHERIC OZONE

Coverage & cadence

  • Time span2020-08-02 → 2020-10-26
  • Measured bySuomi-NPP (CrIS)
  • Processing levelLevel 2
  • Spatial extent-150, 20, -40, 60
  • StatusCOMPLETE

What you can do with it

  • Map air pollutants — NO₂, aerosols, ozone
  • Track greenhouse gases and Earth's energy budget
  • Feed weather and air-quality analysis
Official description

The TROPESS CrIS-SNPP L2 Ozone for West Coast Fires, Standard Product contains the vertical distribution of the retrieved atmospheric state of ozone (O3), formal uncertainties, and diagnostic information measured by the CrIS instrument on the Suomi-NPP satellite. This product focuses on the CONUS region (20N-60N; 150W-40W) for the time period from 2020-08-01 to 2020-10-31, during the outbreak of U.S. West Coast wildfires. The NASA TRopospheric Ozone and Precursors from Earth System Sounding (TROPESS) project, uses an optimal estimation algorithm, known as the MUlti-SpEctra, MUlti-SpEcies, Multi-SEnsors (MUSES). The data files are written in the netCDF version 4 file format, and each file contains one day of data. The data have a spatial resolution of 14 km (CrIS nadir FOV), and are reported at 26 vertical levels from the surface to 0.1 hPa. The principal investigator for the TROPESS project is Kevin W. Bowman.

Get the data

trpsdl2o3crswcf_access.py
import earthaccess
earthaccess.login(strategy="netrc")          # free Earthdata Login

results = earthaccess.search_data(
    short_name="TRPSDL2O3CRSWCF",
    version="1",
    bounding_box=(-122.5, 37.2, -121.8, 37.9),  # your area (W,S,E,N)
    temporal=("2024-01-01", "2024-12-31"),       # your dates
)
files = earthaccess.open(results)   # stream straight from GES_DISC
Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package.