Killeen, 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.
Killeen, TX air quality summary: Killeen, TX maintains a clean air score of 71.5 and a grade of B, with an annual PM2.5 mean of 7.7. The city's air quality is generally considered acceptable for long-term residents. Killeen recorded an annual PM2.5 mean of 7.7 micrograms per cubic meter. Long-term air quality in Killeen has been improving over recent years.
Clean Air Score
Killeen's 71.5 score and B grade indicate a consistent performance in maintaining air quality that avoids frequent pollution spikes. This level of exposure is generally manageable for the average resident over many years.
🏡 What This Means for Buying
Air quality should be viewed as a stable factor for those considering a home purchase in Killeen. The B grade suggests that the city avoids the more severe pollution challenges seen in larger metropolitan areas.
Indoor Air Quality in Killeen, 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 Killeen.
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 Killeen:
- 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 Killeen Homes:
🩺 My Health Risk Assessment
See how Killeen'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, Killeen's air quality improved by 0.7 μg/m³. Based on NBER studies, this change correlates with a estimated 2.8% increase in relative property value retention.
Cleaner Alternatives in TX
Why Killeen earned a 71.5
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% | 60.7 |
| Unhealthy Days | 25% | 94.4 |
| 5-Year Trend | 20% | 53.5 |
| Seasonal Variability | 10% | 86.6 |
| 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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Killeen Air Quality FAQs
Is Killeen a good fit for people who care about long-term air quality?
Killeen, TX is a reasonable option with its 71.5 score and B grade. An annual PM2.5 mean of 7.7 represents a moderate level of exposure that is typical for the region's urban areas.
How often does Killeen experience unhealthy air?
Killeen experiences unhealthy air days 0.3% of the time, which is reflected in its B grade and 7.7 PM2.5 mean. This indicates that poor air quality events are rare occurrences.
Is Killeen's air quality improving or getting worse over time?
The air quality in Killeen is on an improving trend, reflecting long-term progress in regional air quality management. Residents can view this as a positive indicator for future environmental conditions.
How does air quality vary across Killeen?
Air quality can vary within Killeen due to local traffic, industry, and location patterns, as local emissions can create small-scale differences in pollution levels.