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Copernicus ECMWF @copernicusecmwf.bsky.social · 07/10/2026

Explore the CAMS #AtmosphereWatch: atmosphere.copernicus.eu/air-quality/...

Copernicus ECMWF @copernicusecmwf.bsky.social · 07/10/2026

🔥Wildfire emissions can affect air quality far from where fires are burning. During summer 2026, several smoke plumes from North America crossed the Atlantic towards Europe, while fires in Indonesia exposed populations to very high PM2.5 concentrations.

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Copernicus ECMWF @copernicusecmwf.bsky.social · 06/10/2026

Explore #CopernicusAtmosphere Fire Emissions Watch: apps.atmosphere.copernicus.eu/fire-emissio...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 06/10/2026

Global total estimated fire emissions were the second-lowest in the 24-year CAMS dataset for September 2026. However, Indonesia recorded its third-highest September monthly total estimated emissions, contributing to Asia having the highest estimated fire emissions of any continent. ⬇️ @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 05/10/2026

📢 Webinar programme available for the 8th Joint Training in Atmospheric Composition. 8 webinars, open to all, will take place between 6–16 Oct, with lectures & demonstrations on remote sensing, trace gas retrievals & wildfire monitoring. More info: atmostraining2026.esa.int @ecmwf.int @eumetsat.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 05/10/2026

🌍 In 2026 (through 15 September), 51% of the global population was exposed to very or extremely poor air quality due to ground-level ozone. In Asia, 53% experienced extremely poor levels. Explore in the CAMS #AtmosphereWatch: atmosphere.copernicus.eu/air-quality/... @ecmwf.int @ec.europa.eu

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Copernicus ECMWF @copernicusecmwf.bsky.social · 02/10/2026

Learn more about our charts page: atmosphere.copernicus.eu/guide-cams-v... Get the data: atmosphere.copernicus.eu/data Explore the CAMS Fire Emissions Watch: apps.atmosphere.copernicus.eu/fire-emissio...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 02/10/2026

📈 Annual mean PM2.5 in Africa in 2025 – CAMS, Africa Clean Air Network and State of Global Air 3️⃣ bsky.app/profile/cope... Read the article: atmosphere.copernicus.eu/air-quality-... ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 02/10/2026

📈 Desert dust transport episode over Greece between 12-14 Sep – Atmohub 2️⃣ www.linkedin.com/posts/airqua... ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 02/10/2026

Three charts based on #CopernicusAtmosphere data you shouldn’t miss this month: 📈 Tracking the development of the Antarctic ozone hole – CAMS, arranged by Copernicus EU 1️⃣ www.instagram.com/p/DdWRkpHEf2... Monitor the ozone hole: atmosphere.copernicus.eu/monitoring-o... ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 02/10/2026

Find out more about ERA5 reanalysis and other datasets available in the #C3S Climate Data Store CDS #ClimateChange. 👉 climate.copernicus.eu/what-coperni... 👉 cds.climate.copernicus.eu#!/home 🔗 www.bbc.com/news/article... 🔗 C3S data on a podcast www.youtube.com/watch?v=6uz-...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 02/10/2026

📉 Unseasonable humidity over much of southern Australia – @anero.id 3️⃣ bsky.app/profile/aner... ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 02/10/2026

📉 American Resiliency featuring C3S Climate Bulletin – Dr. Emily Schoerning 2️⃣ www.youtube.com/watch?v=6uz-... Read the climate bulletins summary: climate.copernicus.eu/august-was-j... ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 02/10/2026

Three charts based on #CopernicusClimate data you shouldn’t miss this month: 📉 Computational art based on ERA5 daily global temperature data – Mac Bryla 1️⃣ macbryla.com/photos/art/e... ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 02/10/2026

Europe’s summer 2026 was marked by the exceptional persistence of heat, dry conditions, exceptionally warm seas & the most severe low-flow conditions for Europe as a whole in the record beginning in 1992. Read the summer review of #CopernicusClimate: climate.copernicus.eu/summer-revie... @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 01/10/2026

Ozone pollution is interlinked with our climate, health, ecosystems & food production. During the first eight months of 2026, almost 40% of the global population was exposed to extremely high ozone levels, including 60% of people in Asia. 🔗 atmosphere.copernicus.eu/air-quality/... #AtmosphereWatch

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Reposted by Copernicus ECMWF

Mark Parrington @mparrington.bsky.social · 30/09/2026

Persistent regional haze & #airquality impacts of extreme Indonesia fires through Sept 2026 with daily mean PM2.5 concentrations repeatedly exceeding @who.int guideline of 15 μg/m3 based on @copernicusecmwf.bsky.social global forecasts ads.atmosphere.copernicus.eu/datasets/cam... @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 01/10/2026

🌫️ Air pollution knows no borders. Around 2 billion tonnes of sand & dust enter the atmosphere every year. In 2026, smoke from North American wildfires regularly reached the Arctic & crossed the Atlantic to Europe. Explore the CAMS #AtmosphereWatch: atmosphere.copernicus.eu/air-quality/... @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 30/09/2026

The CAMS Atmosphere Watch explores the air we share: ozone, the invisible pollutant that crosses borders; wildfire smoke that can turn local disasters into continental air pollution episodes; and dust, the global traveller. Discover the data behind it: atmosphere.copernicus.eu/atmosphere-w...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 30/09/2026

Are you a journalist? Check out our press resources page with all the information and highlights you need to develop stories based on CAMS #AtmosphereWatch. Find charts, maps, visualisations and more! Discover our press resources: atmosphere.copernicus.eu/press-resour... @ecmwf.int @ec.europa.eu

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Reposted by Copernicus ECMWF

European Environment Agency @eea.europa.eu · 30/09/2026

Half of Europe's population was exposed to poor or worse ground-level ozone levels so far in 2026, as successive summer heatwaves drove up concentrations, according to new @CopernicusECMWF analysis. 🔗 atmosphere.copernicus.eu/air-quality/... #AirQuality #Ozone

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Copernicus ECMWF @copernicusecmwf.bsky.social · 30/09/2026

🌫️ Air pollution knows no borders. In 2026 so far, 40% of global population was exposed to harmful ozone pollution, & wildfire smoke & desert dust affected regional and hemispheric air quality. 🔗 Explore the full story in CAMS #AtmosphereWatch: atmosphere.copernicus.eu/air-quality/... @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 29/09/2026

🔔 One day to go! Tomorrow, 30 September, #CopernicusAtmosphere will release the first edition of CAMS #AtmosphereWatch. Get ready to explore three stories about air pollution in 2026: ground-level ozone, wildfire smoke and long-range dust transport. @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 24/09/2026

Join the CAMS User Workshop in Greece on 13 October 2026 at the Academy of Athens. Learn about #CopernicusAtmosphere and its future in Greece, share user needs and connect with other users. Register by 25 September: atmosphere.copernicus.eu/cams-user-wo...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 23/09/2026

📣 Mark the date! On 30 September, #CopernicusAtmosphere will release the first edition of CAMS #AtmosphereWatch, a new publication exploring how ground-level ozone, wildfire smoke & dust plumes travel across borders & affect air quality far from their sources. Stay tuned! @ecmwf.int @ec.europa.eu

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Copernicus ECMWF @copernicusecmwf.bsky.social · 23/09/2026

and training tutorials on climate stripes and regional precipitation projections and their uncertainty. Explore them all: ecmwf-projects.github.io/c3s-atlas/in...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 23/09/2026

📢 Now available: 5 new Jupyter notebooks for the #C3S Climate Atlas. Computation of Potential EvapoTranspiration (PET) and Standardised Precipitation-Evapotranspiration Index (SPEI), demonstration of the Paris urban heat‑island analysis ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 22/09/2026

New in the CDS: CERRA-Land sub-daily time-series data for Europe from 1984 to present. This post-processed ARCO zarr format dataset enables efficient retrieval of long time series for a single point, with a selection of CERRA-Land variables. 🔗 cds.climate.copernicus.eu/datasets/rea... @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 21/09/2026

@ecmwf.int invites tenders to develop an evaluation & quality control framework for emission & surface fluxes products under #CopernicusAtmosphere, targeting existing and emerging services for monitoring global emissions and natural fluxes. Deadline: 30 Sep 🔗 atmosphere.copernicus.eu/cams284a-eqc...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 18/09/2026

Follow the latest developments here: atmosphere.copernicus.eu/monitoring-o...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 18/09/2026

The current size of the Antarctic ozone hole is close to the record observed in 2015. Our forecasts suggest that it may set a new record in the coming days. The good news is that, despite its large size, the 2026 ozone hole is much shallower than the one eleven years ago. More ⬇️ @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 17/09/2026

The Africa Air Quality Brief 2026 examines fine particulate matter (PM2.5) across Africa, including where ground-based monitoring is limited. It highlights the influence of Saharan dust, biomass burning & human activities. 🔗 atmosphere.copernicus.eu/air-quality-... #CopernicusAtmosphere @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 16/09/2026

Read the summary: climate.copernicus.eu/august-was-j...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 16/09/2026

Get highlights from the August #C3S Climate Bulletin: joint warmest month ever recorded globally, joint highest average sea surface temperature (SST) over the extra-polar oceans (60°S–60°N), widespread dryness and drought in Europe, exceptionally low river flows, and more. ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 16/09/2026

On the International Day for Preservation of the Ozone Layer, we highlight the value of atmospheric monitoring & scientific research in supporting worldwide action. #CopernicusAtmosphere provides near-real-time information to track ozone-layer recovery. 🔗 atmosphere.copernicus.eu/protecting-e...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 15/09/2026

☀️ The first How Much Sun workshop is coming up! Join us online on 27 October to explore how satellite, atmospheric and climate data can support the nowcasting and forecasting of solar-panel efficiency. 🔔 Registration will open soon.  🔗 energy.hub.copernicus.eu

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Copernicus ECMWF @copernicusecmwf.bsky.social · 14/09/2026

@ecmwf.int invites tenders to develop a European reference framework for climate scenarios under #CopernicusClimate, improving the consistency and usability of climate risk information in Europe. Deadline: 24 September 2026. Details: climate.copernicus.eu/c3s2424-euro...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 14/09/2026

🔗 health.hub.copernicus.eu/european-air...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 14/09/2026

In 2025, major air pollution episodes arose from weather conditions, emissions from human activities and natural sources. A new Copernicus Health Hub article explores why short-term air pollution matters for health and how #CopernicusAtmosphere information can support preparedness. Read more ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 14/09/2026

Now available in the Climate Data Store: aggregated climate indicators for Europe from 1940 to 2100, derived from reanalysis and multi-model climate projections. Data support the European Climate Data Explorer (ECDE). Explore: cds.climate.copernicus.eu/datasets/sis... @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 11/09/2026

The Antarctic ozone hole is entering the period when it typically reaches its seasonal maximum, between mid-September and mid-October. Follow its evolution with daily updated charts, animations and five-day forecasts: atmosphere.copernicus.eu/monitoring-o... @ecmwf.int #CopernicusAtmosphere

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Copernicus ECMWF @copernicusecmwf.bsky.social · 10/09/2026

📊 The September 2026 edition of the #CopernicusClimate multi-system seasonal forecast is now available. 🔗 climate.copernicus.eu/seasonal-for... @ecmwf.int

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Copernicus ECMWF @copernicusecmwf.bsky.social · 10/09/2026

🔗 climate.copernicus.eu/precipitatio...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 10/09/2026

💧 The #C3S Climate Bulletin reports drier-than-average conditions across large regions of central & eastern Europe in August. River flows were largely below average across the dry regions, with conditions worsening in central and eastern Europe compared with July. ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 10/09/2026

🔗 climate.copernicus.eu/sea-ice-cove...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 10/09/2026

❄ In August, Arctic sea ice extent was 9.2% below 1991–2020 average, ranking 12th lowest for August in the 48-year satellite record. Antarctic sea ice extent was 6.5% below average, the fourth-lowest August extent. The four lowest August extents have all occurred since 2023. ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 10/09/2026

🔗 climate.copernicus.eu/surface-air-...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 10/09/2026

🌡 August #C3S Climate Bulletin reports that August was the joint-warmest month on record & 1.65°C above the estimated pre-industrial level. Western Europe saw its warmest summer on record, while the average sea surface temperature across the extra-polar ocean was also the joint highest on record. ⬇️

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Copernicus ECMWF @copernicusecmwf.bsky.social · 09/09/2026

Registration closes in 6 days: join the Climate & Forecast (CF) Conventions Community Workshop 2026 @ecmwf.int premises in Bonn or online. Join talks, hackathons & breakout sessions on climate metadata. Submit oral or poster contributions by 3 Aug. Register now: climate.copernicus.eu/cf-conventio...

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Copernicus ECMWF @copernicusecmwf.bsky.social · 09/09/2026

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