Submit my measurement

Contribute anonymously to Canada's radon map. No account required.

Measurement location

Click the map, or drag the pin, to mark the measurement location.

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Drag the pin to the measurement location. The published position will be jittered within the circle shown — your exact address is never kept.

The measurement

Concentration (Bq/m³)

Test type

Short (< 91 days)Long-term (≥ 91 days)

Test duration (days)

Actual test duration in days.

Optional details

Building level

Dwelling type

I had my radon problem mitigated

Neighbourhood

General area only — do not enter your exact address.

Comment (optional)

Your comment will be reviewed before it's shown publicly.

0/500

No account, no email address. Your address is used for geocoding and then deleted — only the jittered coordinates are kept. The published position is jittered once, then permanently fixed.

The map's aggregate statistics are published under a CC BY 4.0 licence. By submitting, you agree that your measurement is released under that same licence, with attribution.

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