+5 ppm
March 2024
+4.7ppm
+4
+4.1ppm during an
El Niño event
in June 2016
+3
+2
+1
0
–1
1960
1970
1980
1990
2000
2010
2020
+5 ppm
March 2024
+4.7ppm
+4
+4.1ppm during an
El Niño event
in June 2016
+3
+2
+1
0
–1
1960
1970
1980
1990
2000
2010
2020
+5 ppm
March 2024
+4.7ppm
+4
+4.1ppm during an
El Niño event
in June 2016
+3
+2
+1
0
–1
1960
1970
1980
1990
2000
2010
2020
+5 ppm
March 2024
+4.7ppm
+4
+4.1ppm during an
El Niño event
in June 2016
+3
+2
+1
0
–1
1960
1970
1980
1990
2000
2010
2020
+5 ppm
March 2024
+4.7ppm
+4
+4.1ppm during an
El Niño event
in June 2016
+3
+2
+1
0
–1
1960
1970
1980
1990
2000
2010
2020
+5 ppm
March 2024
+4.7ppm
+4.1ppm during an
El Niño event
in June 2016
+4
+3
+2
+1
0
–1
1960
1970
1980
1990
2000
2010
2020