ZIP 45309 recorded 149 fire and hazmat incidents in 2025, 812 across 2021–2025. Primary county: Montgomery County, OH. FEMA NRI rates wildfire risk here as Moderate.
812 incidents from 2021 through 2025 inside this ZIP.
| Year | Incidents | |
|---|---|---|
| 2021 | 122 | |
| 2022 | 210 | |
| 2023 | 165 | |
| 2024 | 166 | |
| 2025 | 149 |
Jun peaks. Apr dips. Aggregated across all 5 years inside this ZIP.
Top 5 NFIRS incident types for ZIP 45309 across 2021–2025.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Building fires | 190 | 23.4% | |
| 2 | Power line down | 144 | 17.7% | |
| 3 | Gas leak (natural gas or LPG) | 70 | 8.6% | |
| 4 | Unauthorized burning | 61 | 7.5% | |
| 5 | Brush, or brush and grass mixture fire | 54 | 6.7% |
For the 17 building fires reported here in 2025, here's how investigators classified ignition cause.
NFIRS Area of Origin for ZIP 45309 fires across 2021–2025.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Open area - outside; included are farmland, field | 40 | 26.8% | |
| 2 | Engine area, running gear, wheel area | 28 | 18.8% | |
| 3 | Undetermined | 21 | 14.1% | |
| 4 | Outside area, other | 12 | 8.1% | |
| 5 | Cooking area, kitchen | 5 | 3.4% | |
| 6 | Highway, parking lot, street: on or near | 5 | 3.4% | |
| 7 | Vehicle storage area; garage, carport | 4 | 2.7% | |
| 8 | Exterior, exposed surface | 3 | 2.0% | |
| 9 | All other areas | 31 | 20.8% |
NFIRS HEAT_SOURC code — the physical thing that started the fire.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 60 | 40.3% | |
| 2 | Radiated, conducted heat from operating equipment | 12 | 8.1% | |
| 3 | Arcing | 11 | 7.4% | |
| 4 | Hot or smoldering object, other | 8 | 5.4% | |
| 5 | Heat, spark from friction | 8 | 5.4% | |
| 6 | Hot ember or ash | 8 | 5.4% | |
| 7 | Chemical reaction | 8 | 5.4% | |
| 8 | Spark, ember or flame from operating equipment | 7 | 4.7% | |
| 9 | All other sources | 27 | 18.1% |
Largest single-incident losses in ZIP 45309 across 2021–2025. These 8 fires alone account for 100% of the ZIP's 2025 reported total.
| # | Property loss | Type | Year | Severity |
|---|---|---|---|---|
| 1 | $99,999,999 | Building fires | 2025 | Catastrophic |
| 2 | $290,000 | Passenger vehicle fire | 2025 | Major |
| 3 | $200,000 | Outside equipment fire | 2023 | Significant |
| 4 | $75,000 | Road freight or transport vehicle fire | 2024 | Significant |
| 5 | $50,000 | Building fires | 2024 | Significant |
| 6 | $45,000 | Building fires | 2022 | Significant |
| 7 | $45,000 | Building fires | 2023 | Significant |
| 8 | $30,000 | Off-road vehicle or heavy equipment fire | 2022 | Significant |
Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 45309.
| # | City | 5-yr incidents | |
|---|---|---|---|
| 1 | Brookville | 773 | |
| 2 | Trotwood | 9 | |
| 3 | Clayton | 5 | |
| 4 | New Lebanon | 3 | |
| 5 | Arcanum | 2 |
The figures above are historical. For today's air quality, fire-weather warnings, and active fires, go to the official sources.
NFIRS reports each fire incident with a 5-digit address ZIP. We aggregate those rows directly to produce ZIP-level totals — 812 incidents in this ZIP across 2021–2025. Building-fire breakdowns (Area of Origin, Heat Source, ignition cause) only count fires investigators classified beyond the basic incident report. Because NFIRS reporting is voluntary, totals are a strong indicator rather than a complete census.