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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 September 28, 2026

Highest city

275.4Bq/m³

Fort Macleod

Alberta city average

143.9Bq/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
5Sundre224.4 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
17Pincher Creek175.2 Bq/m³
0.9× under
18Lacombe174.6 Bq/m³
0.9× under
19Vulcan171.4 Bq/m³
0.9× under
20Cochrane170.5 Bq/m³
0.9× under
21Blackfalds169.8 Bq/m³
0.8× under
22Edson168.8 Bq/m³
0.8× under
23Two Hills167.8 Bq/m³
0.8× under
24High River161.3 Bq/m³
0.8× under
25Westlock157.2 Bq/m³
0.8× under
26Beaverlodge155.5 Bq/m³
0.8× under
27Bonnyville153.6 Bq/m³
0.8× under
28Airdrie152.2 Bq/m³
0.8× under
29Camrose152.0 Bq/m³
0.8× under
30Calmar151.9 Bq/m³
0.8× under
31Carstairs151.5 Bq/m³
0.8× under
32Coalhurst150.6 Bq/m³
0.8× under
33Didsbury150.6 Bq/m³
0.8× under
34Whitecourt150.3 Bq/m³
0.8× under
35Barrhead148.4 Bq/m³
0.7× under
36Drayton Valley145.7 Bq/m³
0.7× under
37Ponoka145.2 Bq/m³
0.7× under
38Spruce Grove145.2 Bq/m³
0.7× under
39Vegreville144.9 Bq/m³
0.7× under
40Gibbons144.0 Bq/m³
0.7× under
41Elk Point141.4 Bq/m³
0.7× under
42Penhold139.2 Bq/m³
0.7× under
43Cold Lake134.3 Bq/m³
0.7× under
44Okotoks133.8 Bq/m³
0.7× under
45Devon132.4 Bq/m³
0.7× under
46Calgary130.5 Bq/m³
0.7× under
47Beaumont130.2 Bq/m³
0.7× under
48St. Albert129.0 Bq/m³
0.6× under
49Morinville128.8 Bq/m³
0.6× under
50Strathmore126.6 Bq/m³
0.6× under
51Slave Lake126.5 Bq/m³
0.6× under
52Red Deer126.2 Bq/m³
0.6× under
53Chestermere125.7 Bq/m³
0.6× under
54Edmonton125.4 Bq/m³
0.6× under
55Tofield124.3 Bq/m³
0.6× under
56Stony Plain123.1 Bq/m³
0.6× under
57Fort Saskatchewan122.4 Bq/m³
0.6× under
58Leduc120.4 Bq/m³
0.6× under
59Brooks119.0 Bq/m³
0.6× under
60Canmore119.0 Bq/m³
0.6× under
61Lethbridge117.1 Bq/m³
0.6× under
62Irricana116.9 Bq/m³
0.6× under
63Peace River116.9 Bq/m³
0.6× under
64Medicine Hat113.2 Bq/m³
0.6× under
65Coaldale112.7 Bq/m³
0.6× under
66Sherwood Park111.9 Bq/m³
0.6× under
67Stettler109.7 Bq/m³
0.5× under
68Wainwright102.4 Bq/m³
0.5× under
69Jasper Park Lodge94.8 Bq/m³
0.5× under
70Athabasca94.4 Bq/m³
0.5× under
71Grande Prairie91.8 Bq/m³
0.5× under
72Wetaskiwin90.3 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 McMurray65.2 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