Hillsborough, Florida vs Miami-Dade, Florida Air Quality
Side-by-side air quality comparison using 10 years of EPA monitoring data. Miami-Dade, Florida has the edge with an Air Quality Grade of B (68/100).
| Metric | Hillsborough, Florida | Miami-Dade, Florida |
|---|---|---|
| Air Quality Grade | C (60/100) | B (68/100) |
| Current Median AQI | 51 (Moderate) | 48 (Good) |
| 5-Year Average AQI | 51 | 45 |
| 10-Year Trend | → Stable (-1) | ↓ Improving (-4) |
| Unhealthy Days/Year | 3 | 2 |
| Primary Pollutant | Fine Particulate Matter (PM2.5) | Fine Particulate Matter (PM2.5) |
Analysis
Miami-Dade, Florida outperforms Hillsborough, Florida on overall air quality. With a Grade B (68/100) and a median AQI of 48,Miami-Dade, Florida is currently in the "Good" range and is improving over the past decade.
Frequently Asked Questions
Miami-Dade, Florida has better air quality with a Grade B (68/100) compared to Hillsborough, Florida's Grade C (60/100). Miami-Dade, Florida has a current median AQI of 48 and is improving over the past decade.
Hillsborough, Florida averages 3 unhealthy air days per year (5-year average), while Miami-Dade, Florida averages 2. Unhealthy days are those when AQI exceeds 100 and sensitive groups should limit outdoor activity.
Hillsborough, Florida's primary pollutant is Fine Particulate Matter (PM2.5), while Miami-Dade, Florida's is Fine Particulate Matter (PM2.5). Both cities share the same dominant pollutant.