← on nowLGR-066 · v0.1.0 · model · count

the ozone hole: the year you were born, and now

the ozone hole · antarctic, peak area

born 1950 0 → 22 million km² there was no hole when you were born. it opened, peaked around 2000, and is closing.

method NASA Ozone Watch maximum daily area by year; healing date from WMO 2022.

born 1970 0 → 22 million km² there was no hole when you were born. it opened, peaked around 2000, and is closing.

the montreal protocol, 1987. every country on earth signed it.

born 1990 21 → 22 million km² it peaked around 2000 and is closing. it should be healed by about 2066.

the montreal protocol, 1987. every country on earth signed it.

born 2010 22 → 22 million km² it peaked around 2000 and is closing. it should be healed by about 2066.

the montreal protocol, 1987. every country on earth signed it.

live. this is the channel itself. embed it anywhere:
<iframe src="https://thetoll.earth/?channel=the%20ozone%20hole" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · the ozone hole"></iframe>
or the whole broadcast, every channel, the same for everyone:
<iframe src="https://thetoll.earth/?embed=1" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · on now, everywhere"></iframe>

how this number is built

method
NASA Ozone Watch maximum daily area by year; healing date from WMO 2022.
range
year-to-year variation ±5 million km²
confidence
count
weakness
a single-year value is noisy; the trend is not.
dispute
dispute LGR-066 · corrections are credited
data
channels.json (sign-in) · full entry · CC BY 4.0
all channels · how it's built · on now, everywhere · sign out