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Tempe Junction, AZ

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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: Tempe Junction does not have its own EPA monitor; this page relies on the nearest monitor in Tempe, 2 miles away.
📍 Homebuyer Guide 📊 Data Coverage: 100% 📅 2021-2025 Trends

Tempe Junction, AZ air quality summary: Tempe Junction, AZ has a clean air score of 77.5 and a grade of B, with a PM2.5 annual mean of 7. These figures suggest an acceptable air quality environment for long-term residents. Tempe Junction maintains a PM2.5 annual mean of 7, which is a moderate level for long-term particulate exposure. The long-term air quality trend in Tempe Junction is described as worsening over recent years.

Clean Air Score

78
Grade B

The clean air score of 77.5 and B grade indicate that Tempe Junction maintains particulate levels that are generally compatible with long-term habitation. These metrics provide a baseline for evaluating the local atmospheric environment.

🏡 What This Means for Buying

Prospective residents should consider air quality as one element of their long-term housing evaluation in Tempe Junction. The city's particulate levels offer a neutral context for those researching relocation options.

Best time for outdoor visits: Check seasonal chart

Indoor Air Quality in Tempe Junction, AZ

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 Tempe Junction.

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 Tempe Junction:

  • Wildfire smoke infiltration (PM2.5)
  • 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 Tempe Junction, AZ"

🩺 My Health Risk Assessment

See how Tempe Junction'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
-2.4% theoretical value retention

Between 2019 and 2024, Tempe Junction's air quality worsened by 0.6 μg/m³. Based on NBER studies, this change correlates with a estimated 2.4% 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
7 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 Tempe Junction earned a 77.5

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

See full formula
Annual Air Quality
7 μg/m³
Component score 72.1 × 40% = 28.8 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 47 × 20% = 9.4 points
Seasonal Variability
87.2
Higher means steadier month-to-month air. Weighted contribution: 8.7 points
Extreme Events
100
Captures severe pollution spikes. Weighted contribution: 5.0 points
Coverage & Monitoring
100%
Proxy monitor: Tempe (2 miles away)

📅 Past 30 Days Trend

Real-time daily PM2.5 AQI

Live Data

Score Breakdown

Component Weight Score Contribution
Annual Air Quality 40% 72.1
Unhealthy Days 25% 100
5-Year Trend 20% 47
Seasonal Variability 10% 87.2
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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Tempe Junction Air Quality FAQs

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

Tempe Junction is a reasonable consideration with a clean air score of 77.5 and a B grade. Its PM2.5 annual mean of 7 reflects a moderate level of particulate exposure for long-term living.

How often does Tempe Junction experience unhealthy air or long-term pollution exposure?

Tempe Junction reports an unhealthy air frequency of 0%, which is reflected in its B grade and PM2.5 annual mean of 7. This suggests that while annual averages are moderate, acute unhealthy days are rare.

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

The air quality trend in Tempe Junction is worsening over recent years, indicating a rise in long-term particulate levels. This trend is documented with 100% data completeness, ensuring high confidence in the observation.

Are there neighborhood-level differences in air quality in Tempe Junction?

Air quality can vary within Tempe Junction due to local traffic, industry, and location patterns. These localized factors can result in particulate levels that differ from the city-wide proxy data.