Today in Arlington, your outdoor workout is less about breaking records and more about managing a trifecta of environmental irritants and navigating ongoing disruptions.
- Temps are pushing the low 80s, which is fantastic for February, but means heat exhaustion is a real risk if you're not smart about it.
- High pollen counts are out there, and with a Moderate AQI driven by ozone and some lingering smoke, your lungs are getting a double whammy.
- Portions of your usual routes might still be closed for construction, so don't just blindly hit the trails.
Weather & Air Quality Rundown
That beautiful "clear" condition might sound inviting, but don't be fooled. We're looking at a high of 27.7°C (around 82°F) today. This isn't August-hot, but it's enough to sneak up on you, especially if you're used to cooler winter runs. Hydration isn't just a suggestion, it's a requirement.
Then there's the air. The Air Quality Index (AQI) for Arlington is sitting at a "Moderate" 67, with ozone as the dominant pollutant. On top of that, the Texas Air Quality Forecast mentioned "light density residual smoke aerosols associated with small, scattered burning activities across portions of the eastern two-thirds of the state," which could be adding to particulate matter in the air. For those of you west of I-35, the wildfire threat is elevated with low humidity, and while Arlington isn't in the direct danger zone, smoke travels. Combine that with a high pollen count, and your respiratory system is working overtime before you even start.
Pollen Breakdown:
| Pollen Type | Level |
|---|---|
| Overall | High |
| Trees | Unspecified |
| Grass | Unspecified |
| Weeds | Unspecified |
Heat Advisory: Hydration is NOT Optional
With temperatures in the low 80s, your body will be working harder to cool itself. Carry more water than you think you need, and consider an electrolyte drink if you're planning a longer session. Head out early morning or late evening to dodge the peak heat. And for the love of all that is holy, know the signs of heat exhaustion and heat stroke. They're not just for summer.
Lung Burn Alert: Breathe Easy (or try to)
High pollen combined with moderate ozone and potential smoke means sensitive groups should seriously consider indoor workouts today. If you must go outside, keep your effort level moderate and pay attention to how your lungs feel. Asthma sufferers, keep your inhaler handy.
Trail Talk: Watch Your Step (and where you're going)
Our beloved River Legacy Park Trail is still in the midst of its major improvement project, which began in July 2024 and is projected to wrap up by April 2026. While some sections reopened last year, expect ongoing work and potential detours. Always check the city's official parks and recreation site for the latest on closures and alternative routes.
More importantly for those hitting the pavement closer to downtown, the Center St Trail is currently closed between S Center St and Hosack St, with a scheduled re-open date of March 8, 2026. Don't get caught off guard trying to push through a blocked path; it's a safety hazard and just plain annoying.
Plan Ahead: Don't Be That Person
Before you lace up, take five minutes to check the City of Arlington's official website for real-time park and trail updates. Ignorance is not bliss when you're suddenly staring at a "TRAIL CLOSED" sign miles from your car.
Overall, today's an okay day for a workout if you're healthy and prepared. But it's not a day to push your limits without proper precautions. Listen to your body, check those alerts, and maybe just embrace the treadmill.
Data grounded with The Dallas Morning News, AccuWeather, Weather Underground, and City of Arlington, TX from February 25, 2026.