Use this web page to find specific data files available from the public ftp file archive of the ESRL Global Monitoring Laboratory. Alternatively, you can check our Data by research program page for specific areas of data that can be downloaded. Click on the icons ( or ) under the 'Data' table heading in the dataset description boxes to either download the data file desired, or take you to the appropriate directory on the ftp server, where you can select specific data files.
| Dataset Number | Site | Category | Name | Type | Frequency | Year | Data | Readme |
|---|---|---|---|---|---|---|---|---|
|
501 |
Multiple Sites Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
502 |
Multiple Sites Air samples collected in glass flasks. |
Halocompounds | n-Butane (n-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
503 |
Multiple Sites Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
504 |
Multiple Sites Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
505 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Acetylene (C2H2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
506 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Ethane (C2H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
507 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Propane (C3H8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
508 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Benzene (C6H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
509 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | PFC-14 (CF4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
510 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | CFC-115 (CClF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
511 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | CFC-11 (CCl3F (ion 103)) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
512 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | CFC-13 (CClF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
513 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Methelyne Bromide (CH2Br2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
514 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Methyl Chloroform (97) (CH3CCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
515 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Chloroform (CHCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
516 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | ethylene dichloride (1,2 DCE) (CH2ClCH2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
517 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Halon-1301 (CF3Br) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
518 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
519 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | HCFC-133a (CH2ClCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
520 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | HCFC-22 (CHF2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
521 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | HFC-125 (CHF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
522 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | HFC-134a (CH2FCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
523 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | HFC-143a (CH3CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
524 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | HFC-152a (CH3CHF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
525 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | HFC-227ea (CF3CHFCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
526 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | HFC-236fa (CF3CH2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
527 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | HFC-32 (CH2F2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
528 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | PFC-218 (C3F8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
529 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Perfluorotriethylamine (PFTEA) ((C2F5)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
530 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Perfluorotripropylamine (PFTPA) ((C3F7)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
531 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
532 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
533 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
534 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | Isobutane (i-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
535 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | isopentane (i-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
536 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
537 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | n-Butane (n-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
538 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
539 |
NE Baltimore, Maryland, United States (NEB) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
540 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Acetylene (C2H2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
541 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Ethane (C2H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
542 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Propane (C3H8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
543 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Benzene (C6H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
544 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | PFC-14 (CF4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
545 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | CFC-115 (CClF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
546 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | CFC-11 (CCl3F (ion 103)) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
547 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | CFC-13 (CClF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
548 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Methelyne Bromide (CH2Br2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
549 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Methyl Chloroform (97) (CH3CCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
550 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Chloroform (CHCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
551 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | ethylene dichloride (1,2 DCE) (CH2ClCH2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
552 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Halon-1301 (CF3Br) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
553 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
554 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | HCFC-133a (CH2ClCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
555 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | HCFC-22 (CHF2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
556 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | HFC-125 (CHF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
557 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | HFC-134a (CH2FCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
558 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | HFC-143a (CH3CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
559 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | HFC-152a (CH3CHF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
560 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | HFC-227ea (CF3CHFCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
561 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | HFC-236fa (CF3CH2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
562 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | HFC-32 (CH2F2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
563 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | PFC-218 (C3F8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
564 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Perfluorotriethylamine (PFTEA) ((C2F5)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
565 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Perfluorotripropylamine (PFTPA) ((C3F7)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
566 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
567 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
568 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
569 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | Isobutane (i-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
570 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | isopentane (i-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
571 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
572 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | n-Butane (n-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
573 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
574 |
NW Baltimore, United States (NWB) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
575 |
Niwot Ridge Forest, Colorado, United States (NWF) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
576 |
Niwot Ridge Forest, Colorado, United States (NWF) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
577 |
Niwot Ridge Forest, Colorado, United States (NWF) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
578 |
Niwot Ridge Forest, Colorado, United States (NWF) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
579 |
Niwot Ridge Forest, Colorado, United States (NWF) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
580 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | Acetylene (C2H2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
581 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | Ethane (C2H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
582 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | Propane (C3H8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
583 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | Benzene (C6H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
584 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | PFC-14 (CF4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
585 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | CFC-115 (CClF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
586 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | CFC-11 (CCl3F (ion 103)) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
587 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | CFC-13 (CClF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
588 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | Methelyne Bromide (CH2Br2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
589 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | Methyl Chloroform (97) (CH3CCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
590 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | Chloroform (CHCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
591 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | ethylene dichloride (1,2 DCE) (CH2ClCH2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
592 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | Halon-1301 (CF3Br) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
593 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
594 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | HCFC-133a (CH2ClCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
595 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | HCFC-22 (CHF2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
596 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | HFC-125 (CHF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
597 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | HFC-134a (CH2FCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
598 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | HFC-143a (CH3CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
599 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | HFC-152a (CH3CHF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
600 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Halocompounds | HFC-227ea (CF3CHFCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |