Nutrition and Wellness Lifestyle and Preventive Health

Allergy-Friendly States 2026

Avg Indoor Allergy Score

2.00
3.00
4.00
5.00
6.00
7.00
8.00
State
Avg Indoor Allergy Score 2026
Avg Outdoor Allergy Score 2026
Hawaii Flag
Hawaii7.94
Mississippi Flag
Mississippi7.516.60
Arkansas Flag
Arkansas7.248.23
Louisiana Flag
Louisiana7.216.73
Alabama Flag
Alabama7.165.85
Florida Flag
Florida6.907.69
West Virginia Flag
West Virginia6.764.12
Kentucky Flag
Kentucky6.615.71
Missouri Flag
Missouri6.516.43
Oklahoma Flag
Oklahoma6.519.18
Tennessee Flag
Tennessee6.505.17
South Carolina Flag
South Carolina6.497.07
Indiana Flag
Indiana6.444.76
Connecticut Flag
Connecticut6.154.15
North Carolina Flag
North Carolina6.135.82
Kansas Flag
Kansas6.106.87
Pennsylvania Flag
Pennsylvania6.103.88
Georgia Flag
Georgia5.955.71
Ohio Flag
Ohio5.884.18
Rhode Island Flag
Rhode Island5.883.95
New Jersey Flag
New Jersey5.724.49
Massachusetts Flag
Massachusetts5.653.54
Iowa Flag
Iowa5.524.18
Delaware Flag
Delaware5.364.97
Texas Flag
Texas5.347.96
Virginia Flag
Virginia5.335.68
Nebraska Flag
Nebraska5.285.51
Illinois Flag
Illinois5.134.01
New York Flag
New York5.123.13
Michigan Flag
Michigan5.053.20
Maryland Flag
Maryland5.045.51
Vermont Flag
Vermont4.942.04
New Hampshire Flag
New Hampshire4.822.52
Maine Flag
Maine4.711.90
California Flag
California4.656.29
Wisconsin Flag
Wisconsin4.612.86
Washington Flag
Washington3.814.08
Oregon Flag
Oregon3.655.41
Minnesota Flag
Minnesota3.502.31
Arizona Flag
Arizona3.317.28
New Mexico Flag
New Mexico3.277.76
South Dakota Flag
South Dakota3.173.54
Idaho Flag
Idaho3.026.12
North Dakota Flag
North Dakota2.823.27
Colorado Flag
Colorado2.756.19
Montana Flag
Montana2.683.10
Wyoming Flag
Wyoming2.434.56
Utah Flag
Utah1.974.42
Nevada Flag
Nevada1.896.02
  • Lower scores are preferable and indicate fewer allergens.
  • Indoor allergy scores were obtained by compiling rates of dogs and/or cat ownership (pet dander) and factors that can encourage the presence of mold and dust mites, such as rainfall, temperature, humidity, and age of home.
  • Outdoor allergy scores were obtained by compiling outdoor counts for tree, grass, and ragweed pollen.