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Richardson, 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.

Jump to indoor air guidance Read the formula
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Note: Richardson does not have its own EPA monitor, so this page relies on the nearest monitor in Dallas, 12.3 miles away.
📍 Homebuyer Guide 📊 Data Coverage: 98.4% 📅 2021-2025 Trends

Richardson, TX air quality summary: Richardson, TX, maintains a clean air score of 58.3 and a grade of C. The city's PM2.5 annual mean is 10.1 micrograms per cubic meter. Richardson records a PM2.5 annual mean of 10.1, representing a moderate level for long-term particulate exposure. Long-term air quality in Richardson has been worsening over recent years.

Clean Air Score

58
Grade C

A score of 58.3 indicates moderate air quality that aligns with regional central Texas averages. The grade of C reflects annual particulate concentrations that are within a standard range for a suburban environment.

🏡 What This Means for Buying

Air quality should be integrated as one factor in a broader relocation or housing decision for the area. Residents are encouraged to stay informed about long-term environmental trends in the Dallas-Fort Worth metroplex.

Best time for outdoor visits: Check seasonal chart

Indoor Air Quality in Richardson, 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 Richardson.

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 Richardson:

  • 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 Richardson Homes:

Best HEPA Air Purifier for Richardson Wildfire Smoke PM2.5 Indoor Air Quality Monitor Formaldehyde & VOC Detector
People also search: "indoor air quality in Richardson, TX"

🩺 My Health Risk Assessment

See how Richardson'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, Richardson'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.
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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 Richardson 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 (12.3 miles away)
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Best Time to Run

Find the cleanest hours for your run today.
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Cycling Forecast

Avoid pollution spikes on your next ride.

📅 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

View more cities in TX See how Richardson compares nationally

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.

More Cities in TX

Lubbock Grade A
Score: 89.1/100
Plainview Grade A
Score: 89.1/100
Amarillo Grade B
Score: 84.9/100
Wichita Falls Grade B
Score: 79.5/100
Galveston Grade B
Score: 77/100
Texas City Grade B
Score: 77/100

Similar Rankings Nationwide

#2438 Grand Prairie, TX
Score: 58.3/100
#2439 Mesquite, TX
Score: 58.3/100
#2440 Carrollton, TX
Score: 58.3/100
#2441 Allen, TX
Score: 58.3/100
#2442 Rowlett, TX
Score: 58.3/100
#2443 DeSoto, TX
Score: 58.3/100

Richardson Air Quality FAQs

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

Richardson offers moderate air quality with a score of 58.3 and a grade of C. The current annual PM2.5 mean is 10.1.

How often does Richardson experience unhealthy air days?

Richardson experiences unhealthy air days 0.3% of the time. This frequency is consistent with its grade of C and annual particulate average.

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

Air quality in Richardson has shown a worsening trend in recent years, despite 98.4% data completeness for the tracking period.

Does air quality vary across different parts of Richardson?

Local air quality in Richardson can be influenced by traffic density, proximity to the high-tech corridor, and local industrial activities. These factors may cause variations in pollution levels across different city sectors.