First published 9/18/2026, 9:56:15 PM · Last updated 9/18/2026, 9:56:15 PM

Air Quality Alert — NWS Memphis (issued Sept 18)

The National Weather Service office in Memphis, TN issued an Air Quality Alert on September 18 (issued at 4:01 PM CDT). The alert applies to the Memphis area and indicates degraded air quality that could affect sensitive groups and the general public.

Categories: public-health, environment-and-climate

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 9/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 4/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 6/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 5/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 8/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Poor air quality can worsen respiratory and cardiovascular conditions, increase emergency healthcare visits, and affect outdoor activities and vulnerable populations (children, elderly, people with asthma). Local residents and outdoor workers may need to limit strenuous outdoor exertion and follow guidance from health officials.

Location

Sources

Air Quality Alert issued September 18 at 4:01PM CDT by NWS Memphis TN

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