Mapmaster

MapMaster 3

Atlas (Beta)
MapMaster 3

Sea Ice Extent

WorldPhysical Environment

Mean extent of Arctic and Antarctic sea ice between 1981 and 2010

NSIDC

A world map shows the sea ice extent at the beginning of 2022, with the highest coverage in the Arctic region around Canada, Greenland, and Russia, and some presence in the Antarctic region. These regions are highlighted in light blue.

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Sea Ice Extent

Mean Sea-Surface Temperature

Acid Rain

Sea Ice Extent

-2.0 to 0.0

0.0 to 1.9

2.0 to 3.9

4.0 to 5.9

6.0 to 7.9

8.0 to 9.9

10.0 to 11.9

12.0 to 13.9

14.0 to 15.9

18.0 to 19.9

20.0 to 21.9

22.0 to 23.9

24.0 to 25.9

26.0 to 27.9

28.0 to 29.9

4.50–4.59 pH

4.60–4.69 pH

4.70–4.79 pH

4.80–4.89 pH

4.90–4.99 pH

5.00–5.09 pH

5.10–5.19 pH

5.20–5.29 pH

≥5.30 pH

Alaska
0.243%0.756%0.368%
Northwest Territories
0.540%
Nunavut
0.158%2.12%
Nova Scotia
1.84%0.489%0.275%0.472%
Prince Edward Island
1.54%5.18%
Hawaii
10.0%0.778%4.46%
New Brunswick
0.647%0.219%
British Columbia
1.06%
Newfoundland and Labrador
0.162%1.04%0.607%
Québec
0.165%
Ontario
0.375%
Arizona
1.23%98.8%
Utah
1.69%98.3%
District of Columbia
100%
Florida
0.797%0.110%0.317%0.665%1.32%13.8%25.9%
Idaho
4.63%95.4%
New Hampshire
72.0%27.9%
Rhode Island
4.89%2.00%3.88%
Vermont
95.7%4.07%
Washington
0.825%23.4%70.9%
Wyoming
100%
Montana
9.26%90.7%
Maine
0.534%17.3%69.8%10.8%
North Dakota
100%
Kentucky
1.72%54.3%1.61%9.53%
Virginia
0.725%3.50%1.66%15.4%
Delaware
1.06%17.4%81.8%
Mississippi
14.3%79.0%5.27%
West Virginia
7.63%45.0%12.8%8.92%
Nebraska
100%
Texas
0.214%8.53%1.49%4.74%5.19%56.4%
Missouri
26.1%26.9%12.0%34.2%
Louisiana
1.00%41.6%42.5%8.80%4.48%2.23%
North Carolina
0.239%0.183%0.286%1.35%37.2%1.72%9.88%
Oregon
2.68%97.3%
Alabama
0.114%84.6%13.4%
New Mexico
4.15%91.3%
Kansas
100%
Wisconsin
0.545%4.01%46.8%27.3%21.3%
New Jersey
0.163%1.14%5.98%36.6%32.6%23.7%
South Carolina
33.6%64.2%2.08%
Michigan
1.89%24.0%10.0%4.73%13.3%
Connecticut
0.194%49.9%50.0%
Pennsylvania
3.58%34.8%29.1%10.8%
Colorado
1.85%3.55%88.3%
Nevada
100%
Massachusetts
1.32%2.66%0.220%98.2%
Georgia
0.230%7.01%3.21%2.51%3.47%
New York
0.265%0.344%4.25%52.6%35.3%
Maryland
2.09%12.5%29.8%10.3%
Oklahoma
2.73%5.70%91.6%
Tennessee
5.63%19.5%14.5%3.55%
California
0.120%0.206%99.7%
Arkansas
17.5%40.8%7.44%10.2%
South Dakota
100%
Ohio
5.07%9.56%59.7%23.0%
Indiana
12.8%4.37%8.75%5.18%
Minnesota
2.86%4.42%92.3%
Iowa
1.50%98.5%
Illinois
39.9%27.0%15.0%3.08%9.73%
0.16.0