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Plano, TX

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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: Plano does not have its own EPA monitor and relies on the nearest monitor in Dallas, 17.5 miles away.
📍 Homebuyer Guide 📊 Data Coverage: 98.4% 📅 2021-2025 Trends

Plano, TX air quality summary: Plano, TX has a clean air score of 58.3 and a grade of C, indicating moderate long-term air quality conditions. The annual mean for PM2.5 in the city is 10.1 µg/m³. In Plano, the annual mean concentration of PM2.5 is 10.1 µg/m³. Long-term air quality in Plano has been worsening over recent years.

Clean Air Score

58
Grade C

A clean air score of 58.3 and a grade of C suggest that Plano faces moderate particulate exposure over time. These metrics reflect air quality that is generally acceptable but warrants attention for long-term residency.

🏡 What This Means for Buying

Prospective residents should consider Plano's moderate air quality as part of their long-term housing evaluation. The city's C grade indicates that particulate levels are a relevant factor for long-term exposure.

Best time for outdoor visits: Check seasonal chart

Indoor Air Quality in Plano, TX

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 Plano.

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 Plano:

  • 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 Plano, TX"

🩺 My Health Risk Assessment

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

Current Risk Level
Moderate Risk
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💡

Health Advice

Good for most outdoor activities.

Est. Annual "Risky Days" for you: ~1 days/year

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🏡 Property Value Impact Analysis

Estimated Impact (5-Year)
Concern Signal
-4.0% theoretical value retention

Between 2019 and 2024, Plano's air quality worsened by 1 μg/m³. Based on NBER studies, this change correlates with a estimated 4% 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.
Sponsor
Annual PM2.5
10.1 μg/m³
WHO Target: <5.0
Good Days
99.7 %
% days AQI < 100
5-Year Trend
Worsening
↓ Worsening
Long-term direction
Extreme Days
0 days/yr
Days AQI > 150 (Est.)

Why Plano earned a 58.3

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

See full formula
Annual Air Quality
10.1 μg/m³
Component score 26.8 × 40% = 10.7 points
Unhealthy Days
1 days/yr est.
0.3% of days above AQI 100. Component score 94.4 × 25% = 23.6 points
5-Year Trend
Worsening
Component score 45 × 20% = 9.0 points
Seasonal Variability
89.1
Higher means steadier month-to-month air. Weighted contribution: 8.9 points
Extreme Events
100
Captures severe pollution spikes. Weighted contribution: 5.0 points
Coverage & Monitoring
98.4%
Proxy monitor: Dallas (17.5 miles away)

📅 Past 30 Days Trend

Real-time daily PM2.5 AQI

Live Data

Score Breakdown

Component Weight Score Contribution
Annual Air Quality 40% 26.8
Unhealthy Days 25% 94.4
5-Year Trend 20% 45
Seasonal Variability 10% 89.1
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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Plano Air Quality FAQs

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

Plano offers moderate air quality with a clean air score of 58.3 and a grade of C. The annual PM2.5 mean of 10.1 µg/m³ suggests an acceptable but relevant level of long-term exposure.

How frequent is unhealthy air in Plano?

Unhealthy air days occur 0.3% of the time in Plano, which maintains a grade of C and a PM2.5 annual mean of 10.1 µg/m³. This reflects occasional exposure to elevated pollution levels.

Is air quality in Plano improving or getting worse over time?

The air quality trend in Plano is currently worsening, indicating a decline in long-term conditions over recent years.

Does air quality vary within Plano?

Air quality can vary across Plano due to local traffic, industry, and location patterns, despite the lack of neighborhood-specific monitoring.