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Sam Houston Ranger District Fire Danger & Restrictions
Safety brief
Updated
Extreme fire danger today.
Fire danger is extreme across the Sam Houston Ranger District. Two prescribed fires, Rx San Jacinto 9587 (146 acres, discovered 10/20) and Rx San Jacinto 9568 (113 acres, discovered 10/19), are active and 0% contained, along with Rx Montgomery 9570 (65 acres, discovered 10/19). No active restrictions are currently listed, but conditions can change rapidly. Always check the latest weather and specific fire restrictions for your planned activity before heading out.
Restrictions
No restrictions
Restrictions last checked
Near-surface wildfire smoke forecast
Estimated AQI*
16max avg 2.9 µg/m³ around 7 AM
Good wildfire smoke
Forecast updated Oct 25, 2026, 2:00 PM
* Estimated AQI is an equivalent interpretation of forecast wildfire-smoke PM2.5 only; it is not an observed or official AQI reading.
| Local time | District average | p10 | p90 | Estimated AQI* | Smoke category |
|---|---|---|---|---|---|
| Oct 25, 2:00 PM | 1.7 µg/m³ | 1.5 µg/m³ | 1.8 µg/m³ | Estimated AQI* ≈9 | Good wildfire smoke |
| Oct 25, 3:00 PM | 1.9 µg/m³ | 1.6 µg/m³ | 2.3 µg/m³ | Estimated AQI* ≈11 | Good wildfire smoke |
| Oct 25, 4:00 PM | 2 µg/m³ | 1.5 µg/m³ | 2.4 µg/m³ | Estimated AQI* ≈11 | Good wildfire smoke |
| Oct 25, 5:00 PM | 2 µg/m³ | 1.5 µg/m³ | 2.6 µg/m³ | Estimated AQI* ≈11 | Good wildfire smoke |
| Oct 25, 6:00 PM | 1.8 µg/m³ | 1.4 µg/m³ | 2.3 µg/m³ | Estimated AQI* ≈10 | Good wildfire smoke |
| Oct 25, 7:00 PM | 1.8 µg/m³ | 1.4 µg/m³ | 2.2 µg/m³ | Estimated AQI* ≈10 | Good wildfire smoke |
| Oct 25, 8:00 PM | 1.8 µg/m³ | 1.4 µg/m³ | 2.2 µg/m³ | Estimated AQI* ≈10 | Good wildfire smoke |
| Oct 25, 9:00 PM | 1.9 µg/m³ | 1.5 µg/m³ | 2.3 µg/m³ | Estimated AQI* ≈11 | Good wildfire smoke |
| Oct 25, 10:00 PM | 2 µg/m³ | 1.6 µg/m³ | 2.3 µg/m³ | Estimated AQI* ≈11 | Good wildfire smoke |
| Oct 25, 11:00 PM | 2 µg/m³ | 1.7 µg/m³ | 2.3 µg/m³ | Estimated AQI* ≈11 | Good wildfire smoke |
| Oct 26, 12:00 AM | 2 µg/m³ | 1.7 µg/m³ | 2.2 µg/m³ | Estimated AQI* ≈11 | Good wildfire smoke |
| Oct 26, 1:00 AM | 2 µg/m³ | 1.8 µg/m³ | 2.2 µg/m³ | Estimated AQI* ≈11 | Good wildfire smoke |
| Oct 26, 2:00 AM | 2.1 µg/m³ | 1.8 µg/m³ | 2.3 µg/m³ | Estimated AQI* ≈12 | Good wildfire smoke |
| Oct 26, 3:00 AM | 2.1 µg/m³ | 1.9 µg/m³ | 2.4 µg/m³ | Estimated AQI* ≈12 | Good wildfire smoke |
| Oct 26, 4:00 AM | 2.4 µg/m³ | 2 µg/m³ | 2.8 µg/m³ | Estimated AQI* ≈13 | Good wildfire smoke |
| Oct 26, 5:00 AM | 2.7 µg/m³ | 2.3 µg/m³ | 3 µg/m³ | Estimated AQI* ≈15 | Good wildfire smoke |
| Oct 26, 6:00 AM | 2.9 µg/m³ | 2.6 µg/m³ | 3 µg/m³ | Estimated AQI* ≈16 | Good wildfire smoke |
| Oct 26, 7:00 AM | 2.9 µg/m³ | 2.7 µg/m³ | 3 µg/m³ | Estimated AQI* ≈16 | Good wildfire smoke |
| Oct 26, 8:00 AM | 2.8 µg/m³ | 2.7 µg/m³ | 3 µg/m³ | Estimated AQI* ≈16 | Good wildfire smoke |
| Oct 26, 9:00 AM | 2.8 µg/m³ | 2.6 µg/m³ | 2.9 µg/m³ | Estimated AQI* ≈16 | Good wildfire smoke |
| Oct 26, 10:00 AM | 2.6 µg/m³ | 2.4 µg/m³ | 2.9 µg/m³ | Estimated AQI* ≈14 | Good wildfire smoke |
| Oct 26, 11:00 AM | 2.5 µg/m³ | 2.3 µg/m³ | 2.8 µg/m³ | Estimated AQI* ≈14 | Good wildfire smoke |
| Oct 26, 12:00 PM | 2.4 µg/m³ | 2 µg/m³ | 2.6 µg/m³ | Estimated AQI* ≈13 | Good wildfire smoke |
| Oct 26, 1:00 PM | 2.3 µg/m³ | 2 µg/m³ | 2.6 µg/m³ | Estimated AQI* ≈13 | Good wildfire smoke |
* Estimated AQI is an equivalent interpretation of forecast wildfire-smoke PM2.5 only; it is not an observed or official AQI reading. HRRR forecasts near-ground smoke; district values are area-weighted, conditions vary by location, and other pollution sources are not included.
Check current observed air quality on AirNow (opens in a new tab)Recent changes
30-day fire danger history
Last 30 days
Stable at Extreme since Sep 26.
Ratings and restrictions are collected from official source pages and may lag agency updates. Always confirm current fire restrictions, closures, evacuation notices, and emergency guidance with the responsible agency before starting a trip.
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