Alamo, TX
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.
Alamo, TX air quality summary: Alamo, TX maintains a clean air score of 30.2 and a grade of F, reflecting a long-term PM2.5 annual mean of 12.1 µg/m³. These metrics highlight significant and ongoing atmospheric challenges for the city's population. Alamo records a PM2.5 annual mean of 12.1 µg/m³, which represents elevated long-term particulate exposure. The long-term air quality in Alamo has been worsening over recent years.
Clean Air Score
A clean air score of 30.2 and a grade of F indicate elevated levels of long-term particulate exposure. These metrics are critical for understanding the city's historical and ongoing environmental conditions for long-term residency.
🏡 What This Means for Buying
Prospective residents are encouraged to evaluate air quality as one factor in a broader relocation or housing research process. It is useful to consider long-term atmospheric benchmarks alongside other local environmental characteristics.
Indoor Air Quality in Alamo, 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 Alamo.
AQI 0-50
GoodOpen 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
ModerateOpen 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 GroupsOpen 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+
UnhealthyOpen 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 Alamo:
- 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 Alamo Homes:
🩺 My Health Risk Assessment
See how Alamo's air quality affects you and your family specifically.
Health Advice
Reduce prolonged outdoor exertion.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Alamo'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.
Cleaner Alternatives in TX
Why Alamo earned a 30.2
Raw inputs, scoring weights, and data coverage for this city.
Best Time to Run
Find the cleanest hours for your run today.
Cycling Forecast
Avoid pollution spikes on your next ride.
📅 Past 30 Days Trend
Real-time daily PM2.5 AQI
🌸 Pollen Outlook
Current Seasonal Forecast
How it worksBased on current seasonal forecast data. Not a long-term pollution rating or relocation score.
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
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.
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Alamo Air Quality FAQs
Is Alamo a good fit for people who care about long-term air quality?
Alamo holds a clean air score of 30.2 and a grade of F, reflecting elevated long-term particulate exposure. With a PM2.5 annual mean of 12.1 µg/m³, the city provides a baseline for careful environmental evaluation.
How often does Alamo experience unhealthy air or long-term pollution exposure?
Alamo reports an unhealthy air day frequency of 3.3%, with long-term exposure levels reflected in its grade of F. This suggests a pattern of elevated particulate exposure over a multi-year period.
Is the air quality in Alamo improving or getting worse over time?
Air quality trends in Alamo have been worsening in recent years, indicating an increase in long-term particulate levels.
Does air quality vary across different parts of Alamo?
Air quality can fluctuate within the city due to local traffic or topography, even in areas without a specific neighborhood-level detail page.