annotation weeks
CO2 crosses 420 ppm at Mauna Loa
Apr 1, 2023 — Apr 30, 2023 %22%2F%3E%3Ctext%20x%3D%2250%25%22%20y%3D%2250%25%22%20dy%3D%22.1em%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22central%22%20fill%3D%22%23fff%22%20font-family%3D%22'DM%20Sans'%2C%20sans-serif%22%20font-weight%3D%22600%22%20font-size%3D%2228.8%22%3EA%3C%2Ftext%3E%3C%2Fsvg%3E)
@admin (Datoid Admin) April 5, 2026
@admin (Datoid Admin) April 5, 2026 April 2023 -- monthly average
@admin (Datoid Admin) April 5, 2026 April 2023 -- monthly average