Harris, Texas vs Dallas, Texas Air Quality
Side-by-side air quality comparison using 10 years of EPA monitoring data. Dallas, Texas has the edge with an Air Quality Grade of C (55/100).
| Metric | Harris, Texas | Dallas, Texas |
|---|---|---|
| Air Quality Grade | D (38/100) | C (55/100) |
| Current Median AQI | 64 (Moderate) | 55 (Moderate) |
| 5-Year Average AQI | 59 | 50 |
| 10-Year Trend | ↑ Worsening (+6) | → Stable (+1) |
| Unhealthy Days/Year | 29 | 13 |
| Primary Pollutant | Fine Particulate Matter (PM2.5) | Fine Particulate Matter (PM2.5) |
Analysis
Dallas, Texas outperforms Harris, Texas on overall air quality. With a Grade C (55/100) and a median AQI of 55,Dallas, Texas is currently in the "Moderate" range and is stable over the past decade.
Frequently Asked Questions
Dallas, Texas has better air quality with a Grade C (55/100) compared to Harris, Texas's Grade D (38/100). Dallas, Texas has a current median AQI of 55 and is stable over the past decade.
Harris, Texas averages 29 unhealthy air days per year (5-year average), while Dallas, Texas averages 13. Unhealthy days are those when AQI exceeds 100 and sensitive groups should limit outdoor activity.
Harris, Texas's primary pollutant is Fine Particulate Matter (PM2.5), while Dallas, Texas's is Fine Particulate Matter (PM2.5). Both cities share the same dominant pollutant.