Miami Beach, FL
Long-term air quality
What this page tells you
This page combines annual PM2.5, unhealthy days, 5-year trend, and data coverage so you can compare long-term air quality, not just today's reading.
Miami Beach, FL air quality summary: Miami Beach, FL, holds a clean air score of 68.3 and an air quality grade of C. The annual PM2.5 mean for the area is 8.3 micrograms per cubic meter. Miami Beach has a PM2.5 annual mean of 8.3, which is considered a moderate level for long-term exposure. The long-term air quality in Miami Beach has been worsening over recent years.
Clean Air Score
The score of 68.3 and C grade indicate that Miami Beach maintains moderate long-term air quality. These values suggest that while coastal breezes help, urban particulate levels remain a relevant factor.
🏡 What This Means for Buying
Air quality in Miami Beach should be evaluated as part of a broader housing or relocation assessment. The C grade provides an indicator of typical environmental conditions for this coastal metropolitan area.
Indoor Air Quality in Miami Beach, FL
Outdoor pollution can still affect indoor air when windows are open, filtration is weak, or wildfire smoke moves in.
How to react when today's AQI changes
Use the AQI bands below to decide whether to open windows, run an air purifier, or stay indoors when pollution spikes in Miami Beach.
AQI 0-50
GoodOpen windows: Open windows if you want fresh air.
Air purifier: No purifier needed for most homes.
Indoor activity: Normal indoor activity is fine.
AQI 51-100
ModerateOpen windows: Sensitive groups should limit open-window time.
Air purifier: Use fans or filtration if dust or pollen is bothering you.
Indoor activity: Most people can stay active indoors.
AQI 101-150
Unhealthy for Sensitive GroupsOpen windows: Keep windows closed.
Air purifier: Run a HEPA purifier in the main room and bedroom.
Indoor activity: Sensitive groups should reduce outdoor exposure.
AQI 151+
UnhealthyOpen windows: Keep windows and doors closed.
Air purifier: Run HEPA continuously and seal obvious drafts.
Indoor activity: Stay indoors as much as possible; use an N95 if you must go out.
Common indoor air concerns in Miami Beach:
- Seasonal pollen and dust mite allergens
- VOCs from household products
Recommended action: If today's AQI reaches 101 or higher, close windows and run HEPA filtration before indoor air starts to feel smoky or stale.
Top Products for Miami Beach Homes:
🩺 My Health Risk Assessment
See how Miami Beach's air quality affects you and your family specifically.
Health Advice
Good for most outdoor activities.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Miami Beach's air quality worsened by 1.1 μg/m³. Based on NBER studies, this change correlates with a estimated 4.4% decrease in relative property value retention.
Cleaner Alternatives in FL
Why Miami Beach earned a 68.3
Raw inputs, scoring weights, and data coverage for this city.
Best Time to Run
Find the cleanest hours for your run today.
Cycling Forecast
Avoid pollution spikes on your next ride.
📅 Past 30 Days Trend
Real-time daily PM2.5 AQI
🌸 Pollen Outlook
Current Seasonal Forecast
How it worksBased on current seasonal forecast data. Not a long-term pollution rating or relocation score.
Score Breakdown
| Component | Weight | Score Contribution |
|---|---|---|
| Annual Air Quality | 40% | 52.2 |
| Unhealthy Days | 25% | 93.9 |
| 5-Year Trend | 20% | 44.5 |
| Seasonal Variability | 10% | 91.7 |
| Extreme Events | 5% | 95 |
Explore More Air Quality Data
Frequently Asked Questions
About This Data
Data Sources
Historical air quality mapping and scoring are based completely on official U.S. Environmental Protection Agency (EPA) AirNow API data. 5-day AQI forecasts are provided by WAQI.
Methodology
Our Clean Air Score (0-100) is a proprietary algorithm that weighs multiple factors:
- Annual PM2.5 averages (40%)
- Frequency of unhealthy days (25%)
- 5-year pollution trends (20%)
- Seasonal variability and extreme events (15%)
Updates & Accuracy
Real-time data is updated hourly. Historical aggregate scores are recalculated monthly to reflect the latest trends. While we strive for accuracy, sensor maintenance and local conditions can affect individual readings.
Practical Advice
When AQI > 100: Sensitive groups (children, elderly, asthmatics) should limit prolonged outdoor exertion.
When AQI > 150: Everyone should avoid outdoor exercise and keep windows closed.
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Miami Beach Air Quality FAQs
Is Miami Beach a good fit for people who care about long-term air quality?
Miami Beach offers moderate air quality, reflected in its score of 68.3 and grade of C. The PM2.5 annual mean of 8.3 is acceptable but is a factor for those concerned with particulate exposure.
How frequent is unhealthy air in Miami Beach?
Miami Beach records an unhealthy air day frequency of 0.3%, which contributes to its overall grade of C. This suggests that residents rarely encounter acute pollution spikes.
Is air quality in Miami Beach improving or getting worse over time?
Current data shows that long-term air quality in Miami Beach has been worsening over recent years. Despite the lower data completeness of 89.6, the observed trend remains negative.
Does air quality vary across different parts of Miami Beach?
Air quality can vary within Miami Beach due to local traffic, industry, and location patterns. Coastal areas may benefit from more frequent air circulation compared to more congested inland blocks.