Sea Ice Extent
WorldPhysical EnvironmentMean extent of Arctic and Antarctic sea ice between 1981 and 2010
NSIDCA 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.
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 | No data | Arid and low water use | Low (<10%) | Low-medium (10-20%) | Medium-high (20-40%) | High (40-80%) | Extremely high (>80%) | Value | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Yukon | 0.923% | 99.0% | ||||||||||||||||||||||
Northwest Territories | 0.540% | 0.342% | 3.62% | |||||||||||||||||||||
Nunavut | 0.158% | 2.12% | 0.979% | 18.2% | ||||||||||||||||||||
Nova Scotia | 1.84% | 0.489% | 0.275% | 0.472% | 0.182% | 80.1% | ||||||||||||||||||
Prince Edward Island | 1.54% | 5.18% | 98.5% | |||||||||||||||||||||
Saskatchewan | 4.25% | 59.9% | 2.62% | 2.54% | 2.67% | 0.868% | ||||||||||||||||||
New Brunswick | 0.647% | 0.219% | 99.5% | |||||||||||||||||||||
British Columbia | 1.06% | 92.0% | 1.55% | 0.285% | ||||||||||||||||||||
Newfoundland and Labrador | 0.162% | 1.04% | 0.607% | 74.5% | ||||||||||||||||||||
Alberta | 3.52% | 56.8% | 0.267% | 4.01% | 3.67% | 11.4% | ||||||||||||||||||
Québec | 0.165% | 99.1% | 0.240% | |||||||||||||||||||||
Manitoba | 0.656% | 83.1% | 11.7% | 2.04% | 1.39% | |||||||||||||||||||
Ontario | 0.375% | 97.2% | 1.67% | 1.13% | ||||||||||||||||||||
Alabama | 0.114% | 92.6% | 5.45% | 0.987% | Romney (R) | |||||||||||||||||||
Alaska | 0.243% | 0.756% | 0.368% | 0.132% | 87.9% | 0.193% | 0.154% | 1.32% | Romney (R) | |||||||||||||||
Arizona | 3.34% | 9.37% | 6.97% | 0.448% | 4.52% | Romney (R) | ||||||||||||||||||
Arkansas | 12.6% | 46.8% | 33.2% | 6.01% | Romney (R) | |||||||||||||||||||
California | 0.120% | 0.206% | 0.688% | 12.5% | 0.232% | 17.8% | 2.26% | 1.00% | Obama (D) | |||||||||||||||
Colorado | 0.795% | 9.40% | 85.2% | Obama (D) | ||||||||||||||||||||
Connecticut | 0.194% | 0.460% | 29.6% | 24.9% | 23.8% | 1.35% | Obama (D) | |||||||||||||||||
Delaware | 1.06% | 0.105% | 37.7% | 61.1% | Obama (D) | |||||||||||||||||||
District of Columbia | 100% | Obama (D) | ||||||||||||||||||||||
Florida | 0.797% | 0.110% | 0.317% | 0.665% | 10.4% | 12.0% | 0.279% | 0.266% | 0.590% | Obama (D) | ||||||||||||||
Georgia | 0.230% | 8.71% | 47.0% | 37.9% | Romney (R) | |||||||||||||||||||
Hawaii | 10.0% | 0.778% | 4.46% | 7.82% | Obama (D) | |||||||||||||||||||
Idaho | 0.772% | 13.8% | 28.4% | 8.83% | 44.9% | Romney (R) | ||||||||||||||||||
Illinois | 30.9% | 0.187% | 44.1% | 9.75% | Obama (D) | |||||||||||||||||||
Indiana | 0.434% | 1.19% | 8.61% | 4.78% | Romney (R) | |||||||||||||||||||
Iowa | 26.6% | 12.5% | 44.0% | 16.3% | 0.628% | Obama (D) | ||||||||||||||||||
Kansas | 0.176% | 1.82% | 13.8% | 68.4% | Romney (R) | |||||||||||||||||||
Kentucky | 76.6% | 17.7% | 5.68% | Romney (R) | ||||||||||||||||||||
Louisiana | 1.00% | 54.5% | 20.6% | 5.75% | Romney (R) | |||||||||||||||||||
Maine | 0.534% | 94.9% | 2.65% | 0.228% | 0.817% | Obama (D) | ||||||||||||||||||
Maryland | 2.09% | 0.151% | 4.45% | 64.3% | 1.05% | 8.49% | Obama (D) | |||||||||||||||||
Massachusetts | 1.32% | 2.66% | 0.220% | 0.206% | 0.166% | 33.6% | 8.30% | 30.7% | Obama (D) | |||||||||||||||
Michigan | 1.89% | 56.0% | 3.00% | 4.63% | 9.70% | Obama (D) | ||||||||||||||||||
Minnesota | 21.0% | 3.81% | 13.1% | 23.4% | 22.0% | Obama (D) | ||||||||||||||||||
Mississippi | 74.5% | 1.57% | 23.9% | Romney (R) | ||||||||||||||||||||
Missouri | 45.5% | 14.9% | 0.131% | 5.37% | Romney (R) | |||||||||||||||||||
Montana | 28.7% | 2.60% | 14.6% | 5.24% | 35.2% | Romney (R) | ||||||||||||||||||
Nebraska | 0.605% | 3.54% | 22.3% | 73.5% | Romney (R) | |||||||||||||||||||
Nevada | 8.21% | 0.731% | 1.40% | 0.413% | 2.80% | 24.0% | Obama (D) | |||||||||||||||||
New Hampshire | 17.2% | 33.7% | 40.5% | 8.46% | Obama (D) | |||||||||||||||||||
New Jersey | 0.163% | 1.14% | 0.162% | 3.07% | 94.0% | 1.76% | Obama (D) | |||||||||||||||||
New Mexico | 30.3% | 0.128% | 7.32% | 21.7% | Obama (D) | |||||||||||||||||||
New York | 0.265% | 0.344% | 25.4% | 5.89% | 56.3% | 5.19% | 0.401% | Obama (D) | ||||||||||||||||
North Carolina | 0.239% | 0.183% | 0.286% | 0.116% | 12.2% | 54.7% | 3.14% | 0.982% | Romney (R) | |||||||||||||||
North Dakota | 7.38% | 3.22% | 4.45% | 0.249% | 9.67% | 36.7% | Romney (R) | |||||||||||||||||
Ohio | 3.42% | 0.721% | 29.0% | Obama (D) | ||||||||||||||||||||
Oklahoma | 11.4% | 5.60% | 4.28% | 17.9% | 30.0% | Romney (R) | ||||||||||||||||||
Oregon | 14.3% | 48.2% | 11.8% | 4.82% | 0.772% | 0.847% | Obama (D) | |||||||||||||||||
Pennsylvania | 1.42% | 27.8% | 49.9% | 3.96% | Obama (D) | |||||||||||||||||||
Rhode Island | 4.89% | 0.183% | 86.5% | 6.09% | Obama (D) | |||||||||||||||||||
South Carolina | 0.748% | 24.6% | 36.2% | Romney (R) | ||||||||||||||||||||
South Dakota | 32.7% | 3.47% | 37.3% | 22.0% | Romney (R) | |||||||||||||||||||
Tennessee | 90.1% | 5.50% | Romney (R) | |||||||||||||||||||||
Texas | 0.214% | 4.07% | 3.41% | 2.84% | 1.94% | 22.5% | 2.71% | Romney (R) | ||||||||||||||||
Utah | 20.8% | 13.7% | 0.313% | 0.420% | 49.5% | Romney (R) | ||||||||||||||||||
Vermont | 7.27% | 88.3% | 4.41% | Obama (D) | ||||||||||||||||||||
Virginia | 0.725% | 11.9% | 0.775% | 16.4% | 1.64% | Obama (D) | ||||||||||||||||||
Washington | 0.825% | 72.6% | 3.37% | 5.42% | 0.287% | 6.53% | Obama (D) | |||||||||||||||||
West Virginia | 63.6% | 17.6% | 14.6% | Romney (R) | ||||||||||||||||||||
Wisconsin | 0.545% | 5.67% | 25.0% | 40.8% | 9.68% | Obama (D) | ||||||||||||||||||
Wyoming | 21.7% | 0.541% | 70.3% | Romney (R) | ||||||||||||||||||||
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