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Datasets/TEMPO_NO2_L2
d035·dataset

Hourly air pollution over North America

TEMPO L2 Tropospheric NO2
ASDC DAAC TEMPO_NO2_L2 cloud-native 2 × 4.5 km nadir hourly daytime NetCDF atmosphereair-qualityurban-emissions

First geostationary tropospheric NO2 over North America. Hourly daytime maps revolutionizing urban air-quality science.

TEMPO L2 Tropospheric NO2

First geostationary tropospheric NO2 over North America. Hourly daytime maps revolutionizing urban air-quality science.

Access

Gotchas

  • Daytime only (UV-Vis spectroscopy)
  • North America only
  • V04 (Sept 2025) is current; earlier V01-V03 deprecated
  • L2 swath irregular; use L3 daily gridded (TEMPO_NO2_L3) for many use cases
  • Other datasets: d036, d022

Sources

The access details, code, and sources below are kept in the original English for technical accuracy.

Quick access (cloud-direct)

tempo_no2_l2_access.py
import earthaccess
earthaccess.login(strategy="netrc")

results = earthaccess.search_data(
    short_name="TEMPO_NO2_L2",
    bounding_box=(-122.5, 37.2, -121.8, 37.9),
    temporal=("2024-01-01", "2024-12-31"),
)
files = earthaccess.open(results)   # stream from ASDC DAAC
Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package.

📚 Problem Finder KB

1 matching entry in the Knowledge Base:

§14 Glossary
TEMPO
Tropospheric Emissions: Monitoring of Pollution (NASA atmospheric mission)