Mauna Loa


ppm



ppm
Week ago

ppm
Year ago

ppm
10 years ago

Weekly data




Monthly data


vs

Annual data


Year

Average

Complete graph




The world's most current data for atmospheric CO2 is measured at the Mauna Loa Observatory in Hawaii. Measurements are made and reported independently by two scientific institutions: Scripps Institution of Oceanography and the National Oceanic and Atmospheric Administration (NOAA).


Language



Icons


Temperature

Humidity

Pressure

Wind speed

Wind gust

Precipitation

Solar radiation

Snow

Feels like

Dew point

UV

Visibility

Cloud base

Evapotranspiration

Indoor temperature

Indoor humidity


Sunrise

Sunset

Moon rise

Moon set

Time

Menu

From

To

Fullscreen

Export as image

Settings

Homepage

Webcam

Table

Graph

Map

Steady

Rising

Falling

Warning

Latitude

Longitude

History

Solar eclipse

Lunar eclipse

GPS

Elevation

Day

Month

Year

High temperature

Low temperature

Day

Night

Spring

Summer

Fall

Winter