Fort Worth Air Quality in October

Across 2019–2025, Fort Worth's October air quality had a median AQI of 55 (Moderate) over 217 monitored days in the Dallas-Fort Worth-Arlington, TX area. 14.8% of October days (32 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 60.4% of days. The cleanest October on record here was 2019 (median AQI 52, 0 days above 100) and the worst was 2024 (median 77, 12 days above 100, peak AQI 154).

55
Median AQI
Moderate
14.8%
Days above AQI 100
32 of 217 days
108
90th percentile AQI
worst 1 day in 10
154
Peak AQI
Unhealthy
O3
Main pollutant
60.4% of days
33.6%
Good days
73 of 217
  • Good: 33.6%
  • Moderate: 51.6%
  • Unhealthy for Sensitive Groups: 14.3%
  • Unhealthy or worse: 0.5%

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QUICK ANSWER

How is the air in Fort Worth in October?

Moderate on a typical day: median AQI 55 across 2019–2025, with 14.8% of October days above AQI 100. Ground-level ozone is the main driver.

  • 33.6% of October days were Good (AQI 0–50), 51.6% Moderate (51–100).
  • 32 days of 217 reached AQI 101+; the October peak was 154.
  • Best October: 2019; worst October: 2024.

Frequently asked questions

What is the air quality like in Fort Worth in October?

Across 2019–2025, the median daily AQI in Fort Worth in October was 55 (Moderate). 33.6% of days were Good, 51.6% Moderate, and 14.8% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is October a good time for outdoor exercise in Fort Worth?

A typical October day in Fort Worth is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 7 of October days (14.8%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Fort Worth's October air quality problems?

Ground-level ozone set the daily AQI on 60.4% of October days in Fort Worth. The highest October AQI recorded in 2019–2025 was 154 (Unhealthy), in 2024.

Fort Worth October air quality, year by year

Fort Worth October air quality by year (Dallas-Fort Worth-Arlington, TX, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
2019cleanest3152093O3
202031523134PM2.5
202131482133O3
202231586126O3
202331531124O3
2024worst317712154O3
202531648147O3

What October air means in Fort Worth

A typical October day in Fort Worth is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 7 of October days (14.8%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

October's median AQI of 55 is in line with Fort Worth's whole-year median of 58, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median October AQI across every EPA metro area (102,872 metro-days, 2019–2025) is 38, so Fort Worth runs above the national October norm; 14.8% of its October days topped AQI 100 versus 1.3% nationally (above average).

October is part of Fort Worth's fall season (September, October, November); the fall page pools all three months.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Fort Worth

The latest EPA AirNow observation puts Fort Worth's AQI at 55 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Fort Worth air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Dallas-Fort Worth-Arlington, TX), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.