Air Quality Alert — Upshur + 4 more areasAir Quality Alert — Upshur + 4 more areas
Completed official-source record with preserved facts and meaningful-change history. The final record does not infer impacts the source did not report.
What the preserved official data shows
This Air Quality Alert left the National Weather Service active-alert feed after being preserved by Texas Hazard Watch. The official record named Upshur; Smith; Gregg; Harrison; Rusk. Completion confirms the alert is no longer in the active feed; it does not by itself establish damage or other impacts.
- First collected
- Oct 8, 2026 · 3:19 PM CDT
- Record completed
- Oct 9, 2026 · 1:32 PM CDT
- Monitored duration
- 22 hours, 12 minutes
- Official severity
- Unknown
- Named areas
- Upshur; Smith; Gregg; Harrison; Rusk
- Official expiration
- Oct 9, 2026 · 1:30 PM CDT
- Final monitor status
- Left the active NWS alert feed
Show the Official Affected Area
The map distinguishes an official point, official warning/perimeter geometry, and optional satellite thermal detections. Aerial imagery is a basemap and may be older than the incident.
Record facts
- Event
- Air Quality Alert
- Affected Texas areas
- Upshur; Smith; Gregg; Harrison; Rusk
- Effective
- 2026-10-08T15:16:00-05:00
- Expires
- 2026-10-09T13:30:00-05:00
- Issuing authority
- NWS Shreveport LA
Completed
Official record ended or left the source’s active window.
Latest official-source information
AQASHV
The Texas Commission of Environmental Quality (TCEQ) has declared
an Ozone Action Day for the Tyler...Longview...Marshall areas of
east Texas for Friday.
Atmospheric conditions are expected to be favorable for producing
high levels of ozone pollution in the Tyler-Longview area on
Friday. You can help prevent ozone pollution by sharing a ride,
walking or riding a bicycle, taking your lunch to work, avoiding
drive-through lanes, conserving energy, and keeping your vehicle
properly tuned.
If required...the next Ozone Action Day notice will be issued by
300 pm on Friday.
For more information on ozone:
Ozone: the Facts
(https://www.tceq.texas.gov/airquality/monops/ozonefacts.html)
EPA Air Now
(https://www.airnow.gov/?reportingArea=Tyler-Longview-
Marshall&stateCode=TX)
Take Care of Texas
(https://takecareoftexas.org/hot-wire/what-ozone-action-day)
Meaningful official changes
The complete source history remains preserved. Routine monitoring snapshots and small gauge fluctuations are condensed here for readability.
- Record completedOfficial record ended or left the source’s active window.
- First recordedNew official record added to the monitor.
Original source
This record is derived from an official public source. Texas Hazard Watch preserves and organizes it but does not replace the issuing authority.