Terrell, 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.
Terrell, TX air quality summary: Terrell, TX has a clean air score of 58.3 and a C grade for its air quality. The annual PM2.5 mean is 10.1, indicating moderate particulate levels for long-term exposure. Terrell's annual PM2.5 mean is 10.1, representing the consistent concentration of fine particles in the atmosphere. The long-term air quality in Terrell has been worsening over recent years.
Clean Air Score
A clean air score of 58.3 and a C grade suggest that Terrell's air quality is average but remains relevant for long-term evaluation. These levels indicate that particulate matter is present at a level that should be monitored.
🏡 What This Means for Buying
Air quality should be considered as one part of a comprehensive housing search in Terrell. It represents a typical environmental profile for this part of the state.
Indoor Air Quality in Terrell, 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 Terrell.
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 Terrell:
- 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 Terrell Homes:
🩺 My Health Risk Assessment
See how Terrell's air quality affects you and your family specifically.
Health Advice
Good for most outdoor activities.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Terrell'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.
Cleaner Alternatives in TX
Why Terrell earned a 58.3
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% | 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
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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Terrell Air Quality FAQs
Is Terrell a good fit for people who care about long-term air quality?
Terrell offers moderate air quality, as shown by its clean air score of 58.3 and C grade. The annual PM2.5 mean of 10.1 is within acceptable limits but remains a factor for long-term residents.
What is the frequency of unhealthy air or long-term pollution exposure in Terrell?
Terrell experiences 0.3% unhealthy days, which is relatively low. However, its C grade reflects the 10.1 annual PM2.5 mean, suggesting consistent moderate exposure.
Is air quality in Terrell improving or getting worse over time?
Air quality in Terrell has been worsening in recent years. Trends show that fine particulate matter levels have been increasing over the long term.
Does air quality vary across different parts of Terrell?
Air quality can vary within the city due to local traffic, industry, and location patterns. Specific localized factors such as industrial sites or busy roads can affect conditions compared to the city average.