We are in the process of migrating all NASA Earth science data sites into Earthdata from now until end of 2026. Not all NASA Earth science data and resources will appear here until then. Thank you for your patience as we make this transition.
Read about the Web Unification Project
Air Mass/Density Data Access and Tools
Air Mass/Density Datasets
| Dataset Sort descending | Version | Platform | Instrument | Temporal Extent | Spatial Extent | Spatial Resolution | Data Format |
|---|---|---|---|---|---|---|---|
| ATom: Back Trajectories and Influences of Air Parcels Along Flight Track, 2016-2018 | 1 | NASA DC-8 | Computer | 2016-07-29 to 2018-05-21 |
N: 90 S: -90 E: 180 W: -180 |
multiple | |
| MERRA-2 inst1_2d_int_Nx: 2d,1-Hourly,Instantaneous,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2I1NXINT) at GES DISC | 5.12.4 | MERRA-2 | NOT APPLICABLE | 1980-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
0.625 Decimal Degrees x 0.5 Decimal Degrees | |
| MERRA-2 inst3_3d_aer_Nv: 3d,3-Hourly,Instantaneous,Model-Level,Assimilation,Aerosol Mixing Ratio 0.625 x 0.5 degree V5.12.4 (M2I3NVAER) at GES DISC | 5.12.4 | MERRA-2 | NOT APPLICABLE | 1980-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
0.625 Decimal Degrees x 0.5 Decimal Degrees | |
| MERRA-2 inst3_3d_chm_Nv: 3d,3-Hourly,Instantaneous,Model-Level,Assimilation,Carbon Monoxide and Ozone Mixing Ratio 0.625 x 0.5 degree V5.12.4 (M2I3NVCHM) at GES DISC | 5.12.4 | MERRA-2 | NOT APPLICABLE | 1980-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
0.625 Decimal Degrees x 0.5 Decimal Degrees | |
| MERRA-2 instM_2d_int_Nx: 2d,Monthly mean,Instantaneous,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2IMNXINT) at GES DISC | 5.12.4 | MERRA-2 | NOT APPLICABLE | 1980-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
0.625 Decimal Degrees x 0.5 Decimal Degrees | |
| MERRA-2 instU_2d_int_Nx: 2d,diurnal,Instantaneous,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2IUNXINT) at GES DISC | 5.12.4 | MERRA-2 | NOT APPLICABLE | 1980-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
0.625 Decimal Degrees x 0.5 Decimal Degrees | |
| PEM West A Trajectory Data | 1 | Data Analysis | 1991-09-17 to 1991-10-22 |
N: 58.6 S: 0.4 E: 180 W: -180 |
GTE | ||
| PEM West B Trajectory Data | 1 | Data Analysis | 1994-02-08 to 1994-03-15 |
N: 59.5 S: -9 E: 180 W: -180 |
GTE | ||
| SARP 2016 Data | 1 | NASA DC-8 | TSI LAS-3340, TSI-3563 Neph, SMPS, CPSPD, TSI CPC-3010, WAS, ATHOS, TD-LIF, SAGA, NDIR GAS ANALYZER, DACOM, DLH, CAMS, CAFS, CIMS, 4STAR, AMS, CLH2, NOxyO3, CIT-ToF-CIMS, PTR-MS, DADS | 2016-06-17 to 2016-06-19 |
N: 38.51 S: 33.49 E: -115.94 W: -120.87 |
ICARTT |
Frequently Asked Questions
Earthdata Forum
Our online forum provides a space for users to browse thousands of FAQs about research needs, data, and data applications. You can also submit new questions for our experts to answer.
Submit Questions to Earthdata Forumand View Expert Responses