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Delray Beach, 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.

📍 Homebuyer Guide 📊 Data Coverage: 97% 📅 2021-2025 Trends

Delray Beach, FL air quality summary: Delray Beach, FL, maintains a clean air score of 79 and an overall grade of B. The city's annual mean for PM2.5 is 6.8. Delray Beach has an annual PM2.5 mean of 6.8. The long-term air quality trend in Delray Beach is currently worsening, indicating a negative shift in recent years.

Clean Air Score

79
Grade B

A clean air score of 79 and a grade of B indicate that Delray Beach generally experiences favorable long-term air quality. These metrics suggest that particulate matter levels are consistent with a healthy residential environment.

🏡 What This Means for Buying

Long-term air quality in Delray Beach should be considered a positive component of the area's environmental health. These metrics offer a factual basis for assessing the city's atmospheric conditions.

Best time for outdoor visits: Check seasonal chart

Indoor Air Quality in Delray 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 Delray Beach.

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 Delray 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.

People also search: "indoor air quality in Delray Beach, FL"

🩺 My Health Risk Assessment

See how Delray Beach's air quality affects you and your family specifically.

Current Risk Level
Low Risk
🟢
💡

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)
Concern Signal
-3.6% theoretical value retention

Between 2019 and 2024, Delray Beach's air quality worsened by 0.9 μg/m³. Based on NBER studies, this change correlates with a estimated 3.6% decrease 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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🏆 Best Neighborhoods in Delray Beach

We analyzed air quality across multiple zip codes to find the healthiest spots to live. See which neighborhoods ranked #1.

View Rankings →
Annual PM2.5
6.8 μg/m³
WHO Target: <5.0
Good Days
100.0 %
% days AQI < 100
5-Year Trend
Worsening
↓ Worsening
Long-term direction
Extreme Days
0 days/yr
Days AQI > 150 (Est.)

Why Delray Beach earned a 79

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

See full formula
Annual Air Quality
6.8 μg/m³
Component score 74 × 40% = 29.6 points
Unhealthy Days
0 days/yr est.
0% of days above AQI 100. Component score 100 × 25% = 25.0 points
5-Year Trend
Worsening
Component score 45.5 × 20% = 9.1 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
97%
Direct EPA city monitor

📅 Past 30 Days Trend

Real-time daily PM2.5 AQI

Live Data

Score Breakdown

Component Weight Score Contribution
Annual Air Quality 40% 74
Unhealthy Days 25% 100
5-Year Trend 20% 45.5
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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Delray Beach Air Quality FAQs

Is Delray Beach a good fit for people who care about long-term air quality?

Delray Beach has a clean air score of 79 and an overall grade of B. With a PM2.5 annual mean of 6.8, the city provides a generally favorable environment for long-term air quality.

What is the frequency of unhealthy air or long-term pollution exposure in Delray Beach?

Delray Beach has an unhealthy days percentage of 0. This zero-frequency rate is consistent with its B grade and supports its low PM2.5 annual mean.

Is air quality in Delray Beach improving or getting worse over time?

Air quality in Delray Beach is worsening. This means that the long-term data shows an increase in particulate levels over the last several years.

Are there specific neighborhoods in Delray Beach with better or worse air quality?

Air quality can vary between neighborhoods in Delray Beach. For more localized detail, residents should look into neighborhood-specific or ZIP-level information.