Fort Worth Air Quality in May
Across 2019–2025, Fort Worth's May air quality had a median AQI of 64 (Moderate) over 217 monitored days in the Dallas-Fort Worth-Arlington, TX area. 16.1% of May days (35 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 55.8% of days. The cleanest May on record here was 2021 (median AQI 51, 2 days above 100) and the worst was 2023 (median 76, 9 days above 100, peak AQI 136).
- Good: 22.6%
- Moderate: 61.3%
- Unhealthy for Sensitive Groups: 15.2%
- Unhealthy or worse: 0.9%
Extra Protection for Fort Worth Homes
Air quality in Fort Worth is moderate (AQI 55), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How is the air in Fort Worth in May?
Moderate on a typical day: median AQI 64 across 2019–2025, with 16.1% of May days above AQI 100. Ground-level ozone is the main driver.
- ✓22.6% of May days were Good (AQI 0–50), 61.3% Moderate (51–100).
- ✓35 days of 217 reached AQI 101+; the May peak was 151.
- ✓Best May: 2021; worst May: 2023.
Frequently asked questions
What is the air quality like in Fort Worth in May?▾
Across 2019–2025, the median daily AQI in Fort Worth in May was 64 (Moderate). 22.6% of days were Good, 61.3% Moderate, and 16.1% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is May a good time for outdoor exercise in Fort Worth?▾
A typical May day in Fort Worth is Moderate (median AQI 64): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 6 of May days (16.1%) 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 May air quality problems?▾
Ground-level ozone set the daily AQI on 55.8% of May days in Fort Worth. The highest May AQI recorded in 2019–2025 was 151 (Unhealthy), in 2023.
Fort Worth May air quality, year by year
Fort Worth May air quality by year (Dallas-Fort Worth-Arlington, TX, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 55 | 5 | 133 | O3 |
| 2020 | 31 | 61 | 4 | 151 | O3 |
| 2021cleanest | 31 | 51 | 2 | 108 | PM2.5 |
| 2022 | 31 | 64 | 5 | 151 | O3 |
| 2023worst | 31 | 76 | 9 | 136 | O3 |
| 2024 | 31 | 80 | 6 | 126 | PM2.5 |
| 2025 | 31 | 69 | 4 | 136 | O3 |
What May air means in Fort Worth
A typical May day in Fort Worth is Moderate (median AQI 64): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 6 of May days (16.1%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
May's median AQI of 64 is above Fort Worth's whole-year median of 58, making it one of the area's dirtier periods. Nationally, the median May AQI across every EPA metro area (104,064 metro-days, 2019–2025) is 44, so Fort Worth runs above the national May norm; 16.1% of its May days topped AQI 100 versus 1.3% nationally (above average).
May is part of Fort Worth's spring season (March, April, May); the spring 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.