• Organization: National Institute of Standards and Technology
• Updated: 2021-11-01 00:00:00

NOTE: please see the latest (March 2025) update at https://doi.org/10.18434/mds2-3765 . This archive is from November 2021.We have become aware of errors in the inlet heights at multiple sites and...

• html
• csv
• csv
• csv
• csv
• csv
• +539 more

• Organization: National Institute of Standards and Technology
• Updated: 2024-03-18 00:00:00

Methane (CH4) mole fraction data collected from three tower sites in the Washington DC area: Bucktown, MD (BUC, ghg01), Stafford, VA (SFD, ghg65), and Thurmont, MD (TMD, ghg61), as part of NIST's...

• none
• none
• csv
• none
• csv
• none
• +34 more

• Organization: National Institute of Standards and Technology
• Updated: 2020-11-11 00:00:00

NOTE: please see the latest (March 2025) update at https://doi.org/10.18434/mds2-3765. Hourly observations of CO2 and CH4 from tower-based sites in the NIST Northeast Corridor network (currently...

• html
• csv
• none
• csv
• none
• csv
• +865 more

• Organization: National Institute of Standards and Technology
• Updated: 2023-05-03 00:00:00

NOTE: please see the latest (March 2025) update at https://doi.org/10.18434/mds2-3765 . This archive is from May 2023. See Updates document for specific major and minor changes. Here we provide...

• zip
• none
• zip
• none
• zip
• none
• +108 more

• Organization: National Institute of Standards and Technology
• Updated: 2025-03-19 00:00:00

March 2025 Update. Here we provide hourly observations of atmospheric carbon dioxide (CO2), methane (CH4), and (for a few sites) carbon monoxide (CO) from tower-based sites in the NIST Northeast...

• none
• none
• none
• none
• pdf
• none
• +196 more

• Organization: City of New York
• Updated: 2025-10-24

This dataset is from an air quality monitoring pilot in Maspeth, Queens between February and November 2024 as part of the NYC Office of Technology and Innovation's (OTI) Smart City Testbed program...

• json
• rdf
• xml
• csv