Dallas Air Quality in Spring
Across 2019–2025, Dallas's spring (March–May) air quality had a median AQI of 57 (Moderate) over 644 monitored days in the Dallas-Fort Worth-Arlington, TX area. 6.7% of spring days (43 of 644) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 54.0% of days. The cleanest spring on record here was 2021 (median AQI 52, 2 days above 100) and the worst was 2025 (median 61, 9 days above 100, peak AQI 304).
- Good: 29.3%
- Moderate: 64.0%
- Unhealthy for Sensitive Groups: 6.2%
- Unhealthy or worse: 0.5%
Extra Protection for Dallas Homes
Air quality in Dallas is moderate (AQI 58), 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 Dallas in spring?
Moderate on a typical day: median AQI 57 across 2019–2025, with 6.7% of spring days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓29.3% of spring days were Good (AQI 0–50), 64.0% Moderate (51–100).
- ✓43 days of 644 reached AQI 101+; the spring peak was 304.
- ✓Cleanest month: April; worst month: May.
Frequently asked questions
What is the air quality like in Dallas in spring?▾
Across 2019–2025, the median daily AQI in Dallas in spring was 57 (Moderate). 29.3% of days were Good, 64.0% Moderate, and 6.7% reached Unhealthy for Sensitive Groups or worse, based on 644 monitored days in EPA's Air Quality System.
Is spring a good time for outdoor exercise in Dallas?▾
A typical spring day in Dallas is Moderate (median AQI 57): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 15 of spring days (6.7%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Dallas's spring air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 54.0% of spring days in Dallas. The highest spring AQI recorded in 2019–2025 was 304 (Hazardous), in 2025.
Dallas spring air quality, year by year
Dallas spring 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 | 92 | 55 | 5 | 133 | O3 |
| 2020 | 92 | 54 | 4 | 151 | PM2.5 |
| 2021cleanest | 92 | 52 | 2 | 108 | O3 |
| 2022 | 92 | 56 | 8 | 151 | O3 |
| 2023 | 92 | 60 | 9 | 136 | PM2.5 |
| 2024 | 92 | 61 | 6 | 126 | PM2.5 |
| 2025worst | 92 | 61 | 9 | 304 | O3 |
What spring air means in Dallas
A typical spring day in Dallas is Moderate (median AQI 57): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 15 of spring days (6.7%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Spring's median AQI of 57 is in line with Dallas's whole-year median of 58, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median Spring AQI across every EPA metro area (307,196 metro-days, 2019–2025) is 43, so Dallas runs above the national Spring norm; 6.7% of its Spring days topped AQI 100 versus 0.8% nationally (above average).
Within the season, April is the cleanest month (median AQI 56, 1.0% of days above 100) and May the worst (median 64, 16.1% above 100).
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Dallas
The latest EPA AirNow observation puts Dallas's AQI at 58 (PM2.5). The figures above are multi-year season statistics, not today's reading.
View current Dallas 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.