World Co2 Concentration
co2-mauna-loaClimate & Environment
Subject
World
Metric
Co2 Concentration
Data Points
815
Coverage
1958–2026
Latest Value
428.62
as of Jan 1, 2026
Time Series (815 observations)
Recent Data
| Date | Value | Type |
|---|---|---|
| Jan 1, 2026 | 428.62 | - |
| Dec 1, 2025 | 427.49 | - |
| Nov 1, 2025 | 426.46 | - |
| Oct 1, 2025 | 424.87 | - |
| Sep 1, 2025 | 424.37 | - |
| Aug 1, 2025 | 425.48 | - |
| Jul 1, 2025 | 427.87 | - |
| Jun 1, 2025 | 429.61 | - |
| May 1, 2025 | 430.51 | - |
| Apr 1, 2025 | 429.64 | - |
| Mar 1, 2025 | 428.15 | - |
| Feb 1, 2025 | 427.09 | - |
| Jan 1, 2025 | 426.65 | - |
| Dec 1, 2024 | 425.4 | - |
| Nov 1, 2024 | 423.85 | - |
Showing most recent 15 of 815 observations
Data Source
CLIMATE
Category
Climate & Environment→ Greenhouse Gases
Related Data
View all World data →API Access
# Fetch data by canonical code
GET /api/v1/timeseries/canonical/co2-mauna-loa
# With date filters
GET /api/v1/timeseries/canonical/co2-mauna-loa?start_date=2020-01-01
# Point-in-time reconstruction (Pro)
GET /api/v1/timeseries/canonical/co2-mauna-loa?as_of=2024-01-01