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Memphis, TN

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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
📍 Homebuyer Guide 📊 Data Coverage: 99.7% 📅 2021-2025 Trends

Memphis, TN air quality summary: Memphis, TN has a Clean Air Score of 52.8 and a grade of D. The annual PM2.5 mean for the area is 11.0 µg/m³. Memphis has an annual PM2.5 mean of 11.0 µg/m³, which sits in a elevated long-term range for this dataset. Long-term records show worsening air quality in Memphis over the available history.

Clean Air Score

53
Grade D

Memphis has a score of 52.8 and a grade of D, which summarize its long-term air quality profile. These annual measures provide a baseline for understanding local conditions over time.

🏡 What This Means for Buying

Air quality is one factor to weigh in a broader housing or relocation decision for Memphis. Historical data for Memphis shows an annual PM2.5 mean of 11.0 µg/m³ and a grade of D.

Best time for outdoor visits: Check seasonal chart

Indoor Air Quality in Memphis, TN

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 Memphis.

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 Memphis:

  • 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 Memphis Homes:

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

🩺 My Health Risk Assessment

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

Current Risk Level
High Risk
🔴
💡

Health Advice

Reduce prolonged outdoor exertion.

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

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🏡 Property Value Impact Analysis

Estimated Impact (5-Year)
Concern Signal
-8.4% theoretical value retention

Between 2019 and 2024, Memphis's air quality worsened by 2.1 μg/m³. Based on NBER studies, this change correlates with a estimated 8.4% 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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🏆 Best Neighborhoods in Memphis

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
11 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 Memphis earned a 52.8

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

See full formula
Annual Air Quality
11 μg/m³
Component score 13.8 × 40% = 5.5 points
Unhealthy Days
1 days/yr est.
0.3% of days above AQI 100. Component score 94.5 × 25% = 23.6 points
5-Year Trend
Worsening
Component score 39.5 × 20% = 7.9 points
Seasonal Variability
86
Higher means steadier month-to-month air. Weighted contribution: 8.6 points
Extreme Events
100
Captures severe pollution spikes. Weighted contribution: 5.0 points
Coverage & Monitoring
99.7%
Direct EPA city monitor
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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% 13.8
Unhealthy Days 25% 94.5
5-Year Trend 20% 39.5
Seasonal Variability 10% 86
Extreme Events 5% 100

Deep Dive: Memphis & Related Data

Understanding the Data

Explore More Air Quality Data

View more cities in TN See how Memphis 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 TN

Kingsport Grade B
Score: 84.8/100
Johnson City Grade B
Score: 84.8/100
Bristol Grade B
Score: 84.8/100
Clarksville Grade B
Score: 83.1/100
Cookeville Grade B
Score: 82.9/100
Dyersburg Grade B
Score: 82.3/100

Similar Rankings Nationwide

#2523 Bryant, AR
Score: 53/100
#2524 Maumelle, AR
Score: 53/100
#2525 Fairbanks, AK
Score: 52.8/100
#2526 New South Memphis, TN
Score: 52.8/100
#2527 Bartlett, TN
Score: 52.8/100
#2528 Southaven, MS
Score: 52.8/100

Memphis Air Quality FAQs

What does the current air quality rating mean for Memphis?

Memphis, TN currently carries a Clean Air Score of 52.8 and a grade of D. The annual PM2.5 mean of 11.0 provides the key long-term exposure context for that rating.

How often does Memphis experience unhealthy air days?

Recent data indicates that about 0.3% of days in Memphis fall into unhealthy air categories. That frequency sits alongside an annual PM2.5 mean of 11.0 and helps explain the current grade of D.

Is the air quality in Memphis improving or getting worse over time?

Long-term records show worsening air quality in Memphis over the available history.

Does air quality vary by neighborhood or ZIP code in Memphis?

Yes. Local conditions can vary across different parts of Memphis, so ZIP-level or neighborhood detail is useful when comparing specific areas within the city.