Photo: Nicogag · CC BY-SA 3.0Wildfire low, radon 13%: how Saints-Anges stands on hazards
For Saints-Anges, wildfire history is close to nil: 0% of nearby land since 1986, 0.000% a year. NRCan expects $0.058 of shaking damage a year per $1,000 of buildings in Saints-Anges, near the typical $0.030. Saints-Anges grades C− for hazard risk; wildfire is low here, so it earns no credit.
What stands out about Saints-Anges’s hazards
For Saints-Anges, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Saints-Anges faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Saints-Anges: C−
Two inputs always count for Saints-Anges, earthquakes and radon; the third, wildfire, counts only against a town.
How sure: Earthquake losses are a model’s expectation over many years, not a forecast for any one. The burned-area record misses fires under about 10 ha and most grass and farm fires.
Little of the land around Saints-Anges has burned: 0% within 5 km, 0% within 25 km since 1986
Past fire around Saints-Anges’ homes, from the national burned-area record, with the fuel within 5 km.
A burn rate of 0.000% a year keeps Saints-Anges in the low band (the typical Canadian town: 0.000%).
Saints-Anges’ homes have had no fire within 5 km since 1986; the closest was 12 km away.
The ring nearest Saints-Anges is the most wooded: 54% forest fuel within 5 km against 43% within 25 km.
Shares of land within 5 and 25 km of populated blocks: burned at least once in 1986–2025 (CWFIS burned-area composite), forest fuel and grass (fire behaviour fuel types, 2026, 250 m grid).
Burn rate a year, towns in Quebec · highest of 514
Little or nothing burns around Saints-Anges in a typical year; 145 of the 514 towns in Quebec share that, and Mistissini leads at 0.31%.
Each bar: the yearly average share of land within 25 km of a town’s homes that burned, 1986–2025 (CWFIS); the seven highest towns of 2,500 people or more.
Only 7.5% of Canada’s 2,610 towns are above the low band, which holds 92%; Saints-Anges, at a rounded zero, is far from them.
Bands of the yearly burn rate: low under 0.05%, moderate under 0.25%, high under 1%, very high 1% or more; towns of 2,500 people or more.
Fire danger and active fires (CWFIS)
Canadian Wildland Fire Information System: National Burned Area Composite 1986–2025 and fire behaviour fuel types (2026), Natural Resources Canada. Measured within 25 km and 5 km of each populated dissemination area; past fire, not a forecast.
No flood study is listed for Saints-Anges
What Canada’s Flood Map Inventory lists for Saints-Anges: who studied flooding and where to see their maps.
No flood study on the national inventory covers Saints-Anges; ask the municipality, which is the authority for its flood maps.
Towns with a flood study on file
Mapping in Quebec reaches 45% of towns, below the 58% across Canada, and not Saints-Anges.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
Flood mapping is shown for Saints-Anges to be opened and checked, never turned into a grade.
The inventory’s own caution (NRCan): “The Canada Flood Map (CFM) does not include every flood hazard map in Canada and may be incomplete or contain inaccuracies. It should not be relied upon as the official source of flood mapping information. Furthermore, if a map appears to be missing, this does not necessarily mean that the area has never been mapped. For the official version of a map, updated information, or confirmation of applicable regulations, please contact the local authority responsible for flood mapping.”
Expected shaking damage in Saints-Anges: $0.058 a year per $1,000
Expected yearly building losses from earthquakes, from Natural Resources Canada’s model.
1.9 times the typical $0.030: Saints-Anges’ $0.058 is ordinary.
Shaking damage a year per $1,000 of building value
At $0.058, Saints-Anges is below the typical town in Quebec ($0.14); La Pocatière is highest at $0.48.
NRCan seismic risk model (2022): mean yearly building loss per $1,000 of value; medians of towns of 2,500 people or more.
30% of Canada’s 2,611 towns expect more shaking damage than Saints-Anges, which places it in the upper third.
Each column: the share of Canada’s towns of 2,500 people or more in that range of yearly loss per $1,000 (NRCan, 2022).
For Saints-Anges the model prices shaking damage to buildings, nothing more.
Natural Resources Canada, Canada’s Seismic Risk Model (2022), by census subdivision (2016 boundaries; a few 2021 subdivisions take their residents’ mean).
13% of homes tested around Saints-Anges are over the radon guideline
Long-term radon tests in homes across the survey area, against Health Canada’s guideline. · Shared with the rest of the Chaudiere-Appalaches health region: radon tests
More homes than usual test high around Saints-Anges: 13% against 6.6% for the typical Canadian town.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Saints-Anges’ area, at 13%, is above the median in Quebec (8.2%), and 0.6% of its tests passed 600 Bq/m³.
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
4.6% of Canada’s 2,611 towns have a higher share of homes over 200 Bq/m³ than Saints-Anges, in the 10–20% band with 22%.
Each bar: the share of Canada’s towns of 2,500 people or more whose survey area had that share of tests over 200 Bq/m³.
Whatever Saints-Anges’ area share, the reading that matters is your own home’s, over a winter.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011).
Where to get warnings in Saints-Anges
Alerts for Saints-Anges come from Environment and Climate Change Canada and, for emergencies, Alert Ready.
| Alert | What it means |
|---|---|
| Warning | Severe weather is happening or about to: act now. |
| Watch | Conditions favour severe weather: be ready. |
| Advisory | Weather that is less severe but could disrupt the day. |
| Special weather statement | Unusual weather worth knowing about. |
| Special air quality statement | Poor air, often wildfire smoke. |
Fire danger and active fires near Saints-Anges are mapped daily by the Canadian Wildland Fire Information System; evacuation orders come from the municipality or province.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
How Saints-Anges’ neighbours compare on hazards
Wildfire band, earthquake risk, radon and flood studies for each place nearby.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Saints-Anges | Low | $0.058 | 13% | None listed |
| Vallée-Jonction 2,042 · 5.8 km | Low | $0.049 | 13% | None listed |
| Frampton 1,374 · 8.3 km | Low | $0.053 | 13% | None listed |
| Saint-Joseph-de-Beauce 5,339 · 9.6 km | Low | $0.056 | 13% | None listed |
| Saint-Frédéric 1,172 · 14 km | Low | $0.043 | 13% | None listed |
| Sainte-Marguerite 1,297 · 14 km | Low | $0.062 | 13% | None listed |
| Sainte-Marie 13,873 · 14 km | Low | $0.065 | 13% | None listed |
Among its neighbours Saints-Anges has the most fire on record (low); Vallée-Jonction follows (low).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Saints-Anges faces
What to do about the hazards Saints-Anges faces, and what to ask before you buy.
- Test for three months in winter.
- Over 200 Bq/m³: fix it.
- Kits are cheap; pros test too.
- Never drive through floodwater.
- Move papers and medicines upstairs.
- Ask whether your street is mapped.
- Clear needles and wood nearby.
- Keep a grab-and-go bag ready.
- In smoke, stay in; filter air.
- Has it had a radon test?
- Ask the municipality for flood maps.
- Are flood and wildfire insured?
What this data can and can’t tell you
- Radon is a survey. About 14,000 homes were tested across Canada in 2009–2011, and the share over the guideline for Saints-Anges is its health region’s, the survey’s design unit.
- Wildfire counts one way. For Saints-Anges, wildfire means how much nearby land burned in the past forty years, a one-way input that can pull Risk down and nothing more.
- Earthquakes are modelled. Seismic risk is NRCan’s model of yearly building losses from shaking, averaged over many years and given for Saints-Anges’ census subdivision (a neighbourhood shows its city’s).
- Flood studies aren’t flood zones. NRCan’s inventory says where flood mapping exists, not where water goes; the map’s owner is the authority for Saints-Anges.
Questions about flooding and hazards in Saints-Anges
How big is the earthquake risk in Saints-Anges?
In NRCan’s seismic model, Saints-Anges’ buildings lose $0.058 per $1,000 of value in an average year.
How is Saints-Anges’s Hazard risk Grade worked out?
Hazard risk gives Saints-Anges C−, weighing earthquakes and radon and counting wildfire only against it.
Is radon a problem in Saints-Anges?
In Health Canada’s survey, 13% of 175 homes tested in Saints-Anges’ area were above 200 Bq/m³, though only a test tells you about one house.
Does Saints-Anges flood?
Nothing is listed for Saints-Anges on the national inventory (0); local maps may still exist with the municipality.
Is Saints-Anges at risk of wildfire?
Less than most of Canada: 0% of the land within 25 km of Saints-Anges has burned since 1986, the last in 2022, a low band that leaves Risk alone.
Seismic risk: Natural Resources Canada. Radon: Health Canada. Wildfire: Canadian Wildland Fire Information System. Flood studies: Natural Resources Canada, Canada Flood Map Inventory. Contains information licensed under the Open Government Licence – Canada.
Sources: NRCan, Canada’s Seismic Risk Model 2022 · Health Canada, Cross-Canada Survey of Radon Concentrations in Homes · CWFIS, National Burned Area Composite and FBP fuel types · NRCan, Canada Flood Map Inventory. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).