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Port Saint Lucie, FL

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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.

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Note: Port Saint Lucie does not have its own EPA monitor, so this page relies on the nearest monitor in Stuart, 9 miles away.
📍 Homebuyer Guide 📊 Data Coverage: 96.4% 📅 2021-2025 Trends

Port Saint Lucie, FL air quality summary: Port Saint Lucie, FL, earns a clean air score of 81.8 and a grade of B. The city records a long-term PM2.5 annual mean of 6.3 micrograms per cubic meter. The annual PM2.5 mean in Port Saint Lucie is 6.3, which is considered a moderate level for long-term exposure. Recent data indicates that the long-term air quality in Port Saint Lucie has remained stable.

Clean Air Score

82
Grade B

A clean air score of 81.8 signifies healthy long-term atmospheric conditions. The grade of B reflects annual particulate levels that are generally low and well within historical norms for the region.

🏡 What This Means for Buying

Port Saint Lucie offers consistent air quality that supports long-term residency and lifestyle goals. This data provides a reliable baseline for homebuyers evaluating environmental factors in their relocation process.

Best time for outdoor visits: Check seasonal chart

Indoor Air Quality in Port Saint Lucie, 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 Port Saint Lucie.

AQI 0-50

Good

Open 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

Moderate

Open 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 Groups

Open 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+

Unhealthy

Open 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 Port Saint Lucie:

  • 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.

People also search: "indoor air quality in Port Saint Lucie, FL"

🩺 My Health Risk Assessment

See how Port Saint Lucie's air quality affects you and your family specifically.

Current Risk Level
Low Risk
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💡

Health Advice

Enjoy the outdoors! Air quality is great.

Est. Annual "Risky Days" for you: ~0 days/year

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🏡 Property Value Impact Analysis

Estimated Impact (5-Year)
Positive Signal
+2.0% theoretical value retention

Between 2020 and 2024, Port Saint Lucie's air quality improved by 0.5 μg/m³. Based on NBER studies, this change correlates with a estimated 2% increase in relative property value retention.

* Methodology: Comparison based on National Bureau of Economic Research (NBER) Working Paper 15655 correlation between PM2.5 reduction and housing prices. This is a theoretical estimate for informational purposes only.
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Annual PM2.5
6.3 μg/m³
WHO Target: <5.0
Good Days
100.0 %
% days AQI < 100
5-Year Trend
Improving
↑ Improving
Long-term direction
Extreme Days
0 days/yr
Days AQI > 150 (Est.)

Why Port Saint Lucie earned a 81.8

Raw inputs, scoring weights, and data coverage for this city.

See full formula
Annual Air Quality
6.3 μg/m³
Component score 81 × 40% = 32.4 points
Unhealthy Days
0 days/yr est.
0% of days above AQI 100. Component score 100 × 25% = 25.0 points
5-Year Trend
Mixed
Component score 50 × 20% = 10.0 points
Seasonal Variability
94.5
Higher means steadier month-to-month air. Weighted contribution: 9.5 points
Extreme Events
100
Captures severe pollution spikes. Weighted contribution: 5.0 points
Coverage & Monitoring
96.4%
Proxy monitor: Stuart (9 miles away)

📅 Past 30 Days Trend

Real-time daily PM2.5 AQI

Live Data

Score Breakdown

Component Weight Score Contribution
Annual Air Quality 40% 81
Unhealthy Days 25% 100
5-Year Trend 20% 50
Seasonal Variability 10% 94.5
Extreme Events 5% 100

Explore More Air Quality Data

Frequently Asked Questions

How often is this air quality data updated? Our historical trend models and annual rankings are updated regularly based on official EPA data to ensure reports reflect the latest available long-term trends.
What sources does CleanAirData use? We rely strictly on official U.S. Environmental Protection Agency (EPA) monitoring station data for all historical air quality scoring and reports.
Data sourced from U.S. Environmental Protection Agency (EPA) — See our methodology

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.

Data provided for informational purposes only. Always consult local health officials during extreme smoke or pollution events.

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Port Saint Lucie Air Quality FAQs

Is Port Saint Lucie a good fit for people who care about long-term air quality?

Port Saint Lucie is well-suited for air quality-conscious residents, with a score of 81.8 and a grade of B. The PM2.5 annual mean of 6.3 indicates low chronic exposure.

How often does Port Saint Lucie experience unhealthy air days?

The frequency of unhealthy air days in Port Saint Lucie is 0%, reflecting its strong grade of B. This suggests that residents are rarely exposed to acute pollution spikes.

Is air quality in Port Saint Lucie improving or getting worse over time?

Air quality in Port Saint Lucie is currently neutral, showing limited change over the recent tracking period.

Does air quality vary across different parts of Port Saint Lucie?

Local factors such as traffic patterns and proximity to infrastructure can cause minor variations in air quality within Port Saint Lucie. Monitoring data reflects general city-wide conditions rather than specific micro-climates.