Oakton, VA
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.
Oakton, VA air quality summary: Oakton, VA, maintains a CleanAirData score of 79.4 and a grade of B. The city's annual PM2.5 mean is 6.8 µg/m³. Oakton recorded a PM2.5 annual mean of 6.8 µg/m³, which is considered moderate for long-term exposure. The long-term air quality in Oakton has been improving over recent years.
Clean Air Score
A score of 79.4 and a grade of B indicate that Oakton generally experiences good long-term air quality. These values reflect particulate levels that are well-managed for a residential community.
🏡 What This Means for Buying
Air quality in Oakton should be treated as one factor in a broader relocation or housing decision. The long-term trend for the area is currently improving.
Indoor Air Quality in Oakton, VA
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 Oakton.
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 Oakton:
- 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 Oakton Homes:
🩺 My Health Risk Assessment
See how Oakton's air quality affects you and your family specifically.
Health Advice
Enjoy the outdoors! Air quality is great.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Oakton's air quality improved by 2.4 μg/m³. Based on NBER studies, this change correlates with a estimated 9.6% increase in relative property value retention.
Cleaner Alternatives in VA
Why Oakton earned a 79.4
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% | 74.8 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 62 |
| Seasonal Variability | 10% | 94.5 |
| 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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Oakton Air Quality FAQs
Is Oakton a good fit for people who care about long-term air quality?
Oakton, VA, is a favorable location for those prioritizing air quality, with a score of 79.4 and a grade of B. Its annual PM2.5 mean of 6.8 µg/m³ is relatively low.
How frequent is unhealthy air or long-term pollution exposure in Oakton?
Oakton has 0% unhealthy days, which is consistent with its grade of B and PM2.5 mean of 6.8 µg/m³. Residents typically experience stable and acceptable particulate levels.
Is air quality in Oakton improving or getting worse over time?
The air quality in Oakton has been improving over recent years. High data completeness of 100% provides confidence in this positive long-term trend.
Does air quality vary across different parts of Oakton?
Air quality can vary within Oakton due to local traffic, industry, and location patterns. Different areas may experience slight variations based on proximity to major roads.