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Alberta Cities Ranked by Indoor Radon Levels

Measured averages from Airthings devices across Alberta, Canada. Action level: 200 Bq/m³ — the threshold at which remediation is recommended.

Fort Macleod has the highest measured indoor radon in Alberta at 275.4 Bq/m³, based on Airthings measurements across 80 cities.

Updated October 19, 2026

Highest city

275.4Bq/m³

Fort Macleod

Alberta city average

144.5Bq/m³

across 80 cities

Above action level

8/ 80

cities

Alberta Cities Ranked by Indoor Radon Levels
#LocationAvg levelvs action level
1Fort Macleod275.4 Bq/m³
1.4× over
2Rocky Mountain House256.3 Bq/m³
1.3× over
3Rimbey244.7 Bq/m³
1.2× over
4Sylvan Lake239.8 Bq/m³
1.2× over
5Sundre228.4 Bq/m³
1.1× over
6Hinton216.2 Bq/m³
1.1× over
7Hanna207.2 Bq/m³
1.0× over
8Black Diamond206.2 Bq/m³
1.0× over
✓ Below EPA action level (200 Bq/m³)
9Crossfield196.8 Bq/m³
1.0× under
10Nanton189.8 Bq/m³
0.9× under
11Olds185.3 Bq/m³
0.9× under
12Claresholm184.6 Bq/m³
0.9× under
13Picture Butte179.6 Bq/m³
0.9× under
14Grimshaw178.2 Bq/m³
0.9× under
15Three Hills175.5 Bq/m³
0.9× under
16Provost175.4 Bq/m³
0.9× under
17Lacombe174.7 Bq/m³
0.9× under
18Cochrane172.0 Bq/m³
0.9× under
19Vulcan171.4 Bq/m³
0.9× under
20Pincher Creek170.7 Bq/m³
0.9× under
21Blackfalds169.8 Bq/m³
0.8× under
22Two Hills167.8 Bq/m³
0.8× under
23Edson166.8 Bq/m³
0.8× under
24High River161.0 Bq/m³
0.8× under
25Jasper Park Lodge158.3 Bq/m³
0.8× under
26Westlock157.2 Bq/m³
0.8× under
27Airdrie152.3 Bq/m³
0.8× under
28Calmar151.9 Bq/m³
0.8× under
29Bonnyville151.5 Bq/m³
0.8× under
30Gibbons151.1 Bq/m³
0.8× under
31Carstairs150.6 Bq/m³
0.8× under
32Didsbury150.6 Bq/m³
0.8× under
33Whitecourt150.3 Bq/m³
0.8× under
34Barrhead148.4 Bq/m³
0.7× under
35Camrose146.9 Bq/m³
0.7× under
36Beaverlodge146.7 Bq/m³
0.7× under
37Coalhurst146.5 Bq/m³
0.7× under
38Ponoka145.2 Bq/m³
0.7× under
39Vegreville144.9 Bq/m³
0.7× under
40Spruce Grove144.2 Bq/m³
0.7× under
41Drayton Valley142.3 Bq/m³
0.7× under
42Elk Point141.4 Bq/m³
0.7× under
43Penhold139.2 Bq/m³
0.7× under
44Cold Lake134.3 Bq/m³
0.7× under
45Okotoks133.4 Bq/m³
0.7× under
46Slave Lake132.7 Bq/m³
0.7× under
47Devon131.5 Bq/m³
0.7× under
48Beaumont131.3 Bq/m³
0.7× under
49Calgary130.3 Bq/m³
0.7× under
50Morinville128.8 Bq/m³
0.6× under
51St. Albert128.4 Bq/m³
0.6× under
52Strathmore126.6 Bq/m³
0.6× under
53Red Deer125.8 Bq/m³
0.6× under
54Chestermere124.8 Bq/m³
0.6× under
55Edmonton124.3 Bq/m³
0.6× under
56Tofield124.3 Bq/m³
0.6× under
57Stony Plain122.1 Bq/m³
0.6× under
58Peace River120.9 Bq/m³
0.6× under
59Fort Saskatchewan120.7 Bq/m³
0.6× under
60Leduc119.6 Bq/m³
0.6× under
61Brooks119.0 Bq/m³
0.6× under
62Canmore117.3 Bq/m³
0.6× under
63Lethbridge117.2 Bq/m³
0.6× under
64Irricana116.9 Bq/m³
0.6× under
65Medicine Hat112.9 Bq/m³
0.6× under
66Coaldale112.7 Bq/m³
0.6× under
67Sherwood Park111.8 Bq/m³
0.6× under
68Stettler109.7 Bq/m³
0.5× under
69Wainwright102.4 Bq/m³
0.5× under
70Wetaskiwin96.6 Bq/m³
0.5× under
71Athabasca94.4 Bq/m³
0.5× under
72Grande Prairie91.0 Bq/m³
0.5× under
73Millet89.6 Bq/m³
0.4× under
74Wembley89.5 Bq/m³
0.4× under
75Mayerthorpe83.6 Bq/m³
0.4× under
76Lac La Biche82.0 Bq/m³
0.4× under
77Taber70.5 Bq/m³
0.4× under
78Fort McMurray64.4 Bq/m³
0.3× under
79Lamont60.4 Bq/m³
0.3× under
80Banff48.2 Bq/m³
0.2× under
See Canada cities ranked by radon levelSee all Provinces ranked by radon level