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Greenhouse gases concentrations

Concentrations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) are shown from observations at Pallas-Sammaltunturi, Sodankylä, Helsinki-Kumpula, and Utö.

Long-term trend (daily averages), the latest seasonal cycle and the latest 14 days (hourly averages) are depicted. Black line is smoothed data with short term cutoff of 60 days.

Pallas - Sammaltunturi

 

Sodankylä

 

Helsinki - Kumpula

 

Utö