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Air QualityNational Weather Service

Air Quality Alert — Williamson + 4 more areasAir Quality Alert — Williamson + 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.

StatusCompleted
Affected area / locationWilliamson; Hays; Travis
Record roleIncident record
Last meaningful change2 weeks ago
Last source check2 weeks ago
Official sourceNational Weather Service
FINAL RECORD

What the preserved official data shows

Automated factual summary

This Air Quality Alert left the National Weather Service active-alert feed after being preserved by Texas Hazard Watch. The official record named Williamson; Hays; Travis; Bastrop; Caldwell. Completion confirms the alert is no longer in the active feed; it does not by itself establish damage or other impacts.

First collected
Oct 9, 2026 · 8:08 AM CDT
Record completed
Oct 9, 2026 · 7:05 PM CDT
Monitored duration
10 hours, 56 minutes
Official severity
Unknown
Named areas
Williamson; Hays; Travis; Bastrop; Caldwell
Official expiration
Oct 9, 2026 · 7:00 PM CDT
Final monitor status
Left the active NWS alert feed
EXACT LOCATION & OFFICIAL GIS

Show the Official Affected Area

Official NWS Texas zone/county boundaries

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.

Official source pointOfficial warning/zone area
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Record facts

Event
Air Quality Alert
Affected Texas areas
Williamson; Hays; Travis; Bastrop; Caldwell
Effective
2026-10-09T08:05:00-05:00
Expires
2026-10-09T19:00:00-05:00
Issuing authority
NWS Austin/San Antonio TX
LATEST MEANINGFUL CHANGE

Completed

Official record ended or left the source’s active window.

Latest official-source information

AQAEWX

Atmospheric conditions are expected to be favorable for producing
high levels of ozone air pollution in the Austin 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 will be issued by 3 PM
on Friday, October 9, 2026.

RECORDED TIMELINE

Meaningful official changes

2 meaningful changes

The complete source history remains preserved. Routine monitoring snapshots and small gauge fluctuations are condensed here for readability.

  1. Record completedOfficial record ended or left the source’s active window.
  2. 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.

Open official source ↗