Terre Haute, IN
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.
Terre Haute, IN air quality summary: Terre Haute, IN reports a clean air score of 64.7 and a grade of C, with a PM2.5 annual mean of 9. These metrics indicate a stable air quality environment for long-term residential living. Terre Haute maintains a PM2.5 annual mean of 9, which is considered a moderate level for long-term particulate exposure. The long-term air quality trend in Terre Haute is described as limited or modest.
Clean Air Score
A clean air score of 64.7 and a grade of C reflect particulate levels that are within an acceptable range for habitation. These figures characterize the local atmospheric conditions as consistent for residents.
🏡 What This Means for Buying
Air quality should be treated as one factor in a broader long-term relocation or housing decision in Terre Haute. The city's particulate levels provide a neutral baseline for prospective residents.
Indoor Air Quality in Terre Haute, IN
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 Terre Haute.
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 Terre Haute:
- 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 Terre Haute Homes:
🩺 My Health Risk Assessment
See how Terre Haute'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, Terre Haute's air quality improved by 0.2 μg/m³. Based on NBER studies, this change correlates with a estimated 0.8% increase in relative property value retention.
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Why Terre Haute earned a 64.7
Raw inputs, scoring weights, and data coverage for this city.
Best Time to Run
Find the cleanest hours for your run today.
Cycling Forecast
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📅 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% | 42.7 |
| Unhealthy Days | 25% | 94.4 |
| 5-Year Trend | 20% | 50 |
| Seasonal Variability | 10% | 90.6 |
| 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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Terre Haute Air Quality FAQs
Is Terre Haute a good fit for people who care about long-term air quality?
Terre Haute is an acceptable option for those focused on air quality, with a clean air score of 64.7 and a C grade. The PM2.5 annual mean of 9 indicates a stable and moderate level of particulate exposure.
How often does Terre Haute experience unhealthy air or long-term pollution exposure?
Terre Haute reports an unhealthy air frequency of 0.3%, contributing to its C grade and moderate PM2.5 annual mean. This indicates that acute particulate spikes are rare in the city's long-term record.
Is the air quality in Terre Haute improving or getting worse over time?
The air quality trend in Terre Haute is currently neutral, showing limited change over recent years. This assessment is supported by a data completeness rate of 98.6%, providing a reliable view of local conditions.
Are there neighborhood-level differences in air quality in Terre Haute?
Information about air quality at the neighborhood or ZIP-level detail is available for Terre Haute. Residents can find more localized data to understand how particulate levels vary across different parts of the city.