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Weslaco, 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: Weslaco does not have a dedicated EPA monitoring site. As a result, this analysis relies on data from the nearest official station in Edinburg, which is 14.5 miles away.
📍 Homebuyer Guide 📊 Data Coverage: 100% 📅 2021-2025 Trends

Weslaco, TX air quality summary: With an annual PM2.5 mean of 12.1 µg/m³, Weslaco (TX) is currently rated with a Clean Air Score of 30.2 and a grade of F. Particulate concentrations here average 12.1 µg/m³ annually, establishing the city's standing in long-term records. Records for Weslaco show an annual mean PM2.5 concentration of 12.1 µg/m³, which indicates elevated long-term particulate exposure. Looking at the historical record, long-term air quality has weakened over recent years.

Clean Air Score

30
Grade F

The 30.2 score highlights significant historical variance in local air quality, leading to the current F grade. This long-term evaluation suggests that atmospheric conditions often deviate from optimal levels.

🏡 What This Means for Buying

For those planning to settle in Weslaco, the F grade serves as a useful data point for evaluating the local environment. It is recommended to consider how these historical averages fit into your personal comfort levels.

Best time for outdoor visits: Check seasonal chart

Indoor Air Quality in Weslaco, 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 Weslaco.

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 Weslaco:

  • 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 Weslaco, TX"

🩺 My Health Risk Assessment

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

Current Risk Level
High Risk
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💡

Health Advice

Reduce prolonged outdoor exertion.

Est. Annual "Risky Days" for you: ~12 days/year

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🏡 Property Value Impact Analysis

Estimated Impact (5-Year)
Concern Signal
-7.2% theoretical value retention

Between 2019 and 2024, Weslaco's air quality worsened by 1.8 μg/m³. Based on NBER studies, this change correlates with a estimated 7.2% 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
12.1 μg/m³
WHO Target: <5.0
Good Days
96.7 %
% days AQI < 100
5-Year Trend
Worsening
↓ Worsening
Long-term direction
Extreme Days
0 days/yr
Days AQI > 150 (Est.)

Why Weslaco earned a 30.2

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

See full formula
Annual Air Quality
12.1 μg/m³
Component score 0 × 40% = 0.0 points
Unhealthy Days
12 days/yr est.
3.3% of days above AQI 100. Component score 34.4 × 25% = 8.6 points
5-Year Trend
Worsening
Component score 41 × 20% = 8.2 points
Seasonal Variability
66.1
Higher means steadier month-to-month air. Weighted contribution: 6.6 points
Extreme Events
100
Captures severe pollution spikes. Weighted contribution: 5.0 points
Coverage & Monitoring
100%
Proxy monitor: Edinburg (14.5 miles away)

📅 Past 30 Days Trend

Real-time daily PM2.5 AQI

Live Data

Score Breakdown

Component Weight Score Contribution
Annual Air Quality 40% 0
Unhealthy Days 25% 34.4
5-Year Trend 20% 41
Seasonal Variability 10% 66.1
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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Weslaco Air Quality FAQs

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

Current data for Weslaco, TX results in a F grade and a Clean Air Score of 30.2. The annual PM2.5 mean of 12.1 µg/m³ suggests a profile of elevated long-term exposure.

How often does Weslaco experience unhealthy air frequency or long-term pollution exposure?

According to recent data, about 3.3% of the days in Weslaco are categorized as having unhealthy air frequency. This frequency aligns with the city's annual PM2.5 average of 12.1 µg/m³.

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

Long-term monitoring suggests that the air quality in Weslaco has shown signs of weakening in recent years.

Does air quality vary within different parts of Weslaco?

Even within Weslaco, air quality can fluctuate based on proximity to major traffic routes, local industrial activity, and specific location patterns.