Submit my measurement

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

Measurement location

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

Chargement…

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

Neighborhood

General area only — do not enter your exact address.

Comment (optional)

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.

Read the full privacy policy

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