Atmospheric Concentrations of Greenhouse Gases
Figures
Figure 1
Figure 1. Atmospheric Concentrations of Carbon Dioxide
Figure 2
Figure 2. Atmospheric Concentrations of Methane
Figure 3
Figure 3. Atmospheric Concentrations of Nitrous Oxide
Figure 4
Figure 4. Atmospheric Concentrations of Selected Halogenated Gases
Figure 5
Figure 5. Atmospheric Concentrations of Ozone
Indicator Details
Category
Greenhouse Gases
Time Period
~800,000 BCE–2023
Geographic Coverage
Global
Number of Figures
5
Original Source
EPA Snapshot (January 2025)
Status
Removed from EPA.gov in December 2025. Over 80 climate-related pages were deleted from the EPA website as part of the administration's removal of climate change information.