# \#gfas

**URL:** https://forum.ecmwf.int/tag/gfas/12.md

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## [Changes to CAMS global biomass burning emissions based on fire radiative power (GFAS) data availability on ADS and ECMWF Data Portal](https://forum.ecmwf.int/t/changes-to-cams-global-biomass-burning-emissions-based-on-fire-radiative-power-gfas-data-availability-on-ads-and-ecmwf-data-portal/14325)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 9\
**Last updated:** [5 October 2026 15:38 UTC](https://forum.ecmwf.int/t/changes-to-cams-global-biomass-burning-emissions-based-on-fire-radiative-power-gfas-data-availability-on-ads-and-ecmwf-data-portal/14325 "2026-10-05T15:38:47Z")

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As part of our continuous improvement to the CAMS service, some changes will be made to the “CAMS global biomass burning emissions based on fire radiative power (GFAS)” data available from the Atmosphere Data Store (ADS)…

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## [GFAS 1.4.2 data now available on the ADS](https://forum.ecmwf.int/t/gfas-1-4-2-data-now-available-on-the-ads/15351)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [5 October 2026 12:15 UTC](https://forum.ecmwf.int/t/gfas-1-4-2-data-now-available-on-the-ads/15351 "2026-10-05T12:15:45Z")

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Following the announcement in November 2025 of the release of CAMS global biomass burning emissions based on fire radiative power (GFAS) version 1.4.2 on the ECMWF Data Portal (aux.ecmwf.int; SFTP/FTP/HTTPS data access),…

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## [New CAMS application published: Fire Emissions Watch](https://forum.ecmwf.int/t/new-cams-application-published-fire-emissions-watch/15213)

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**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\
**Replies:** 0\
**Last updated:** [31 July 2026 10:34 UTC](https://forum.ecmwf.int/t/new-cams-application-published-fire-emissions-watch/15213 "2026-07-31T10:34:39Z")

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We are pleased to announce that a new application, Fire Emissions Watch, has been published on 30th July 2026: Fire Emissions Watch shows where wildfires are burning worldwide, how much carbon they release into the at…

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## [Aerosol emissions in GFAS](https://forum.ecmwf.int/t/aerosol-emissions-in-gfas/14813)

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**Author:** [@Herve\_Petetin](https://forum.ecmwf.int/u/Herve_Petetin)\
**Replies:** 1\
**Last updated:** [22 April 2026 09:31 UTC](https://forum.ecmwf.int/t/aerosol-emissions-in-gfas/14813 "2026-04-22T09:31:53Z")

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Hello, I would like to clarify what exactly is behind the different aerosol species available in GFAS wildfire fluxes: bcfire (Wildfire flux of Black Carbon): does it correspond to BC in fine mode (0-2.5 um)? ocfire (…

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## [Question about release date of the new GFAS emissions inventory on ADS](https://forum.ecmwf.int/t/question-about-release-date-of-the-new-gfas-emissions-inventory-on-ads/14619)

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**Author:** [@\_He](https://forum.ecmwf.int/u/_He)\
**Replies:** 0\
**Last updated:** [19 January 2026 09:11 UTC](https://forum.ecmwf.int/t/question-about-release-date-of-the-new-gfas-emissions-inventory-on-ads/14619 "2026-01-19T09:11:47Z")

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Dear ECMWF Community, I would like to ask about the release schedule for the next version of the GFAS wildfire emissions dataset. When the updated GFAS emissions inventory will be made available on the ADS? From w…

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## [Canadian and Russian wildfires and long-range smoke transport](https://forum.ecmwf.int/t/canadian-and-russian-wildfires-and-long-range-smoke-transport/13323)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [4 June 2025 09:00 UTC](https://forum.ecmwf.int/t/canadian-and-russian-wildfires-and-long-range-smoke-transport/13323 "2025-06-04T09:00:45Z")

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Wildfires in Canada and Russia are having significant atmospheric impacts ahead of the boreal summer. Satellite observations show smoke crossing the Atlantic Ocean from Canada to Europe and being transported from Russia’…

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## [Download time series WRONG!](https://forum.ecmwf.int/t/download-time-series-wrong/8049)

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**Author:** [@hongzhao\_bright](https://forum.ecmwf.int/u/hongzhao_bright)\
**Replies:** 3\
**Last updated:** [17 March 2025 11:17 UTC](https://forum.ecmwf.int/t/download-time-series-wrong/8049 "2025-03-17T11:17:19Z")

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When I download The CAMS Global Fire Assimilation System Datasets by month, I inputed the whole month like 2023-09-01 to 2023-09-30, and submit message shows the same period,but the .nc file shows a time period of 2023-0…

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## [Issue with GFAS and CAMS global forecast outputs due to contaminated observations](https://forum.ecmwf.int/t/issue-with-gfas-and-cams-global-forecast-outputs-due-to-contaminated-observations/3995)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 1\
**Last updated:** [11 February 2025 14:16 UTC](https://forum.ecmwf.int/t/issue-with-gfas-and-cams-global-forecast-outputs-due-to-contaminated-observations/3995 "2025-02-11T14:16:32Z")

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We are aware of an issue with our Global Fire Assimilation System (GFAS) outputs at high latitudes over the eastern Arctic due to some contaminated Fire Radiative Power observations on 9 August 2024 and causing an area o…

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## [CAMS GFAS flux to concentration](https://forum.ecmwf.int/t/cams-gfas-flux-to-concentration/11021)

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**Author:** [@User\_luiz\_galizia\_at](https://forum.ecmwf.int/u/User_luiz_galizia_at)\
**Replies:** 0\
**Last updated:** [27 January 2025 11:21 UTC](https://forum.ecmwf.int/t/cams-gfas-flux-to-concentration/11021 "2025-01-27T11:21:48Z")

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Hi, I am having a hard time to covert the wildfire PM 2.5 flux (kg m-2 s-1) to concentration (μg/m³) from CAMS GFAS dataset. Any way to estimate the concentration based on the flux data? Thanks,

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## [Wildfire fraction of area observed - Values greater than 1](https://forum.ecmwf.int/t/wildfire-fraction-of-area-observed-values-greater-than-1/7753)

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**Author:** [@Dave\_Stewart](https://forum.ecmwf.int/u/Dave_Stewart)\
**Replies:** 0\
**Last updated:** [18 November 2024 19:10 UTC](https://forum.ecmwf.int/t/wildfire-fraction-of-area-observed-values-greater-than-1/7753 "2024-11-18T19:10:24Z")

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Hello, I am using a GFAS emissions data set for 2021 and noticed that in some instances offire (Wildfire fraction of area observed) values were larger than 1. Am I correct in saying that offire is the fraction of the g…

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## [Degraded access to EAC4 and GFAS datasets expected on Monday, January 8 2024, 09:30-12:30 UTC](https://forum.ecmwf.int/t/degraded-access-to-eac4-and-gfas-datasets-expected-on-monday-january-8-2024-0930-utc/979)

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**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\
**Replies:** 0\
**Last updated:** [5 January 2024 14:22 UTC](https://forum.ecmwf.int/t/degraded-access-to-eac4-and-gfas-datasets-expected-on-monday-january-8-2024-0930-utc/979 "2024-01-05T14:22:55Z")

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Due to a planned service maintenance session on the Atmosphere Data Store (ADS) on Monday, January 8, 2024 from 09:30am to 12:30pm UTC, access to the following datasets will be temporarily degraded: CAMS global rea…

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## [How to download PM2.5 emission in GFAS?](https://forum.ecmwf.int/t/how-to-download-pm2-5-emission-in-gfas/1055)

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**Author:** [@Katsushige\_Uranishi](https://forum.ecmwf.int/u/Katsushige_Uranishi)\
**Replies:** 0\
**Last updated:** [26 September 2023 06:28 UTC](https://forum.ecmwf.int/t/how-to-download-pm2-5-emission-in-gfas/1055 "2023-09-26T06:28:39Z")

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Hi, everyone. I am trying to get PM2.5 emission data in GFAS inventory using the CDS API. However, it is not possible to download PM2.5 emission only, although other emission data has been downloaded. The error messag…

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## [Error reading data from GFAS - emissions pm2.5 - period from 2003 to 2018](https://forum.ecmwf.int/t/error-reading-data-from-gfas-emissions-pm2-5-period-from-2003-to-2018/1486)

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**Author:** [@Mariana\_Dias](https://forum.ecmwf.int/u/Mariana_Dias)\
**Replies:** 0\
**Last updated:** [15 October 2022 15:33 UTC](https://forum.ecmwf.int/t/error-reading-data-from-gfas-emissions-pm2-5-period-from-2003-to-2018/1486 "2022-10-15T15:33:56Z")

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Hello, I hope to find you well! I'm trying to access pm2.5 data from the GFAS/CAMS project. However, the data that I downloaded on the "atmosfere copernicus" platform for the period from 2003 to 2018 show empty values ​…

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## [Request fields by grib code instead of long name](https://forum.ecmwf.int/t/request-fields-by-grib-code-instead-of-long-name/1413)

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**Author:** [@Pierre-Antoine\_Breto](https://forum.ecmwf.int/u/Pierre-Antoine_Breto)\
**Replies:** 0\
**Last updated:** [9 August 2022 15:58 UTC](https://forum.ecmwf.int/t/request-fields-by-grib-code-instead-of-long-name/1413 "2022-08-09T15:58:34Z")

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Hello, I'm converting some old webapi request to cdsapi ones (from ADS). In my previous requests, I was using the grib codes. Is there a way to use the grib codes of the variables instead of their long names? …

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## [CAMS global biomass burning emissions based on fire radiative power (GFAS) dataset is now only available from the Atmosphere Data Store (ADS)](https://forum.ecmwf.int/t/cams-global-biomass-burning-emissions-based-on-fire-radiative-power-gfas-dataset-is-now-only-available-from-the-atmosphere-data-store-ads/1519)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [26 July 2022 18:51 UTC](https://forum.ecmwf.int/t/cams-global-biomass-burning-emissions-based-on-fire-radiative-power-gfas-dataset-is-now-only-available-from-the-atmosphere-data-store-ads/1519 "2022-07-26T18:51:50Z")

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We would like to announce that the CAMS global biomass burning emissions based on fire radiative power (GFAS) dataset is now available from the Atmosphere Data Store (ADS). The data can be downloaded interactively throu…

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## [GFAS wildfire fraction of area observed (offire, dimensionless, paramter ID: 97.210)](https://forum.ecmwf.int/t/gfas-wildfire-fraction-of-area-observed-offire-dimensionless-paramter-id-97-210/1086)

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**Author:** [@Chaoyang\_XUE](https://forum.ecmwf.int/u/Chaoyang_XUE)\
**Replies:** 1\
**Last updated:** [22 February 2022 11:12 UTC](https://forum.ecmwf.int/t/gfas-wildfire-fraction-of-area-observed-offire-dimensionless-paramter-id-97-210/1086 "2022-02-22T11:12:12Z")

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Hello everyone, I'm using GFAS inventory to study the emission of a wildfire. However, I found the wildfire fraction of area observed, offire, is larger than 1. Sometimes for the non-wildfire areas, the values are still…

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## [GFAS daily total mass of CO2 emitted and CO2 concentration](https://forum.ecmwf.int/t/gfas-daily-total-mass-of-co2-emitted-and-co2-concentration/1613)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [1 April 2021 10:27 UTC](https://forum.ecmwf.int/t/gfas-daily-total-mass-of-co2-emitted-and-co2-concentration/1613 "2021-04-01T10:27:23Z")

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User can estimate the daily total mass of CO2 emitted with GFAS data by multiplying the flux with the area of each grid cell and number of seconds in the day. However, if users want to get to the CO2 concentration, then …

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## [What more processing is needed to use the data of GFAS analysis surface parameters？](https://forum.ecmwf.int/t/what-more-processing-is-needed-to-use-the-data-of-gfas-analysis-surface-parameters/1030)

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**Author:** [@Ming\_Zheng](https://forum.ecmwf.int/u/Ming_Zheng)\
**Replies:** 0\
**Last updated:** [25 December 2020 00:52 UTC](https://forum.ecmwf.int/t/what-more-processing-is-needed-to-use-the-data-of-gfas-analysis-surface-parameters/1030 "2020-12-25T00:52:31Z")

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Hello everyone,I downloaded the Wildfire flux of Carbon Dioxide data，I've converted NetCDF to TIFF，but I found that the value of this data is almost zero，A small number of non-zero values are also very small，As shown in …

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## [About the data of GFAS analysis surface parameters](https://forum.ecmwf.int/t/about-the-data-of-gfas-analysis-surface-parameters/1555)

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**Author:** [@Ming\_Zheng](https://forum.ecmwf.int/u/Ming_Zheng)\
**Replies:** 0\
**Last updated:** [24 December 2020 13:14 UTC](https://forum.ecmwf.int/t/about-the-data-of-gfas-analysis-surface-parameters/1555 "2020-12-24T13:14:18Z")

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Hello everyone！ As the title shows，I downloaded the Wildfire flux of Carbon Dioxide data，but I found that the value of this data is almost zero，A small number of non-zero values are also very small，As shown in the figur…

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## [Q&A - wildfires](https://forum.ecmwf.int/t/q-a-wildfires/1544)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [13 March 2020 12:16 UTC](https://forum.ecmwf.int/t/q-a-wildfires/1544 "2020-03-13T12:16:15Z")

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Discover some interesting information about wildfires and the CAMS Global Fire Assimilation System (GFAS). Here the link: https://atmosphere.copernicus.eu/qa-wildfires

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## [Windy.com has implemented new parameters including Fire Radiative Power (FRP)](https://forum.ecmwf.int/t/windy-com-has-implemented-new-parameters-including-fire-radiative-power-frp/1023)

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**Author:** [@Xiaobo\_Yang](https://forum.ecmwf.int/u/Xiaobo_Yang)\
**Replies:** 0\
**Last updated:** [31 October 2019 08:55 UTC](https://forum.ecmwf.int/t/windy-com-has-implemented-new-parameters-including-fire-radiative-power-frp/1023 "2019-10-31T08:55:43Z")

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https://www.windy.com/-Show-add-more-layers/overlays?fires,-23.601,-54.567,4 Please note that the FRP parameter is visualised in two ways: as a vector - it can be added to Points of Interest bar in the bottom right c…
