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ANNUAL GREENHOUSE GAS INDEX

1990 = 1 · 1979–2024 · neither direction is "better" · NOAA Global Monitoring Laboratory
1.538
2024 (latest)
0.780
1979
1.538
high · 2024
0.780
low · 1979
+97%
since 1979
50 YearsSince 200010 Years5 Years1 Year
0.9051.1361.3671.599198019851990199520002005201020152020 Black Monday crash (1987)’87Gulf War recession (1991)’91Dot-com bust & 9/11 (2001)’01Global financial crisis (2008)’08COVID-19 pandemic (2020)’20
┊ dashed lines mark 1987 Black Monday crash · 1991 Gulf War recession · 2001 Dot-com bust & 9/11 · 2008 Global financial crisis · 2020 COVID-19 pandemic
Method & caveats. Published annual mean, annual growth, or AGGI column; uncertainty columns are not observations. None known; publisher revisions may revise the full history. Breaks: none known; publisher revisions may revise the full history.
Sources

Every value on this page is read from the publisher below. Current and historical source documents:

Data
YearAnnual Greenhouse Gas IndexChange
20241.538+1%
20231.516+1%
20221.499+1%
20211.481+1%
20201.463+1%
20191.446+1%
20181.428+1%
20171.410+1%
20161.394+2%
20151.370+1%
20141.352+1%
20131.336+2%
20121.316+1%
20111.301+1%
20101.287+1%
20091.270+1%
20081.258+1%
20071.241+1%
20061.228+1%
20051.212+1%
20041.197+1%
20031.184+2%
20021.166+1%
20011.150+1%
20001.138+1%
19991.128+2%
19981.111+2%
19971.089+1%
19961.078+1%
19951.064+1%
19941.049+1%
19931.035+1%
19921.028+1%
19911.016+2%
19901.000+2%
19890.983+2%
19880.962+3%
19870.934+2%
19860.914+2%
19850.894+2%
19840.875+2%
19830.856+2%
19820.837+2%
19810.822+2%
19800.803+3%
19790.780
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