CarbonTracker Near-Real Time is periodically-updated estimate of CO2 fluxes and atmospheric mole fractions designed to bridge the gap between annual updates of the formal CarbonTracker product. It uses real-time meteorology, different flux priors, and assimilates only a small fraction of the CO2 observations assimilated by the formal CarbonTracker product. These are provisional, near-real time CO2 observations from the small set of sites able to provide them. CT-NRT can be found at Web pages of earlier CarbonTracker releases are available below. All pages of older version include an ORANGE BANNER and a warning at the top of the page with a link to the current CarbonTracker release.