Airthings Logo

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.

Rocky Mountain House has the highest measured indoor radon in Alberta at 256.3 Bq/m³, based on Airthings measurements across 70 cities.

Updated August 16, 2026

Highest city

256.3Bq/m³

Rocky Mountain House

Alberta city average

143.9Bq/m³

across 70 cities

Above action level

6/ 70

cities

Alberta Cities Ranked by Indoor Radon Levels
#LocationAvg levelMonitorsvs action level
1Rocky Mountain House256.3 Bq/m³19
1.3× over
2Rimbey248.6 Bq/m³14
1.2× over
3Sylvan Lake239.8 Bq/m³33
1.2× over
4Sundre224.4 Bq/m³8
1.1× over
5Black Diamond207.8 Bq/m³55
1.0× over
6Nanton206.0 Bq/m³6
1.0× over
✓ Below EPA action level (200 Bq/m³)
7Crossfield196.8 Bq/m³12
1.0× under
8Olds185.3 Bq/m³18
0.9× under
9Claresholm184.6 Bq/m³6
0.9× under
10Picture Butte179.6 Bq/m³6
0.9× under
11Pincher Creek176.7 Bq/m³20
0.9× under
12Three Hills175.5 Bq/m³18
0.9× under
13Lacombe175.3 Bq/m³22
0.9× under
14Blackfalds175.2 Bq/m³11
0.9× under
15Edson174.2 Bq/m³61
0.9× under
16Cochrane173.9 Bq/m³445
0.9× under
17Vulcan171.4 Bq/m³7
0.9× under
18Hinton169.6 Bq/m³19
0.8× under
19Two Hills167.8 Bq/m³6
0.8× under
20High River160.4 Bq/m³45
0.8× under
21Camrose157.8 Bq/m³9
0.8× under
22Bonnyville156.5 Bq/m³23
0.8× under
23Beaverlodge155.5 Bq/m³7
0.8× under
24Airdrie153.2 Bq/m³306
0.8× under
25Calmar151.9 Bq/m³21
0.8× under
26Carstairs151.5 Bq/m³30
0.8× under
27Coalhurst150.6 Bq/m³26
0.8× under
28Whitecourt150.3 Bq/m³13
0.8× under
29Barrhead148.4 Bq/m³14
0.7× under
30Spruce Grove146.2 Bq/m³103
0.7× under
31Drayton Valley145.7 Bq/m³22
0.7× under
32Ponoka145.2 Bq/m³10
0.7× under
33Vegreville144.9 Bq/m³11
0.7× under
34Elk Point141.4 Bq/m³17
0.7× under
35Penhold137.4 Bq/m³18
0.7× under
36Cold Lake134.3 Bq/m³54
0.7× under
37Okotoks134.0 Bq/m³732
0.7× under
38Devon132.2 Bq/m³240
0.7× under
39Beaumont131.0 Bq/m³233
0.7× under
40Calgary130.9 Bq/m³4854
0.7× under
41St. Albert129.8 Bq/m³516
0.6× under
42Morinville129.2 Bq/m³44
0.6× under
43Slave Lake128.1 Bq/m³10
0.6× under
44Red Deer126.8 Bq/m³107
0.6× under
45Strathmore126.4 Bq/m³32
0.6× under
46Chestermere126.1 Bq/m³350
0.6× under
47Edmonton125.9 Bq/m³1648
0.6× under
48Tofield124.3 Bq/m³13
0.6× under
49Fort Saskatchewan124.1 Bq/m³51
0.6× under
50Stony Plain123.9 Bq/m³59
0.6× under
51Westlock121.5 Bq/m³8
0.6× under
52Leduc121.3 Bq/m³114
0.6× under
53Canmore121.1 Bq/m³78
0.6× under
54Brooks119.0 Bq/m³9
0.6× under
55Lethbridge117.3 Bq/m³99
0.6× under
56Irricana116.9 Bq/m³17
0.6× under
57Medicine Hat115.1 Bq/m³76
0.6× under
58Peace River114.6 Bq/m³12
0.6× under
59Sherwood Park112.7 Bq/m³267
0.6× under
60Stettler109.7 Bq/m³12
0.5× under
61Wainwright107.3 Bq/m³10
0.5× under
62Coaldale106.9 Bq/m³13
0.5× under
63Jasper Park Lodge103.4 Bq/m³10
0.5× under
64Athabasca94.4 Bq/m³17
0.5× under
65Grande Prairie92.2 Bq/m³63
0.5× under
66Wetaskiwin90.3 Bq/m³18
0.5× under
67Wembley89.5 Bq/m³6
0.4× under
68Lac La Biche84.8 Bq/m³8
0.4× under
69Fort McMurray65.4 Bq/m³77
0.3× under
70Lamont60.4 Bq/m³7
0.3× under
See Canada cities ranked by radon levelSee all Provinces ranked by radon level