Marysville, OH
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.
Marysville, OH air quality summary: Marysville, OH, has a clean air score of 67.2 and a grade of C. The city's annual mean for PM2.5 is 8.8, which is within the moderate range for long-term exposure. Marysville maintains an annual PM2.5 mean of 8.8, which is considered moderate for long-term residential exposure. Long-term air quality in Marysville is improving over recent years.
Clean Air Score
The score of 67.2 and grade of C reflect air quality that is acceptable but may be influenced by regional or local particulate sources over the long term. These metrics represent average conditions measured across the year.
🏡 What This Means for Buying
Air quality metrics should be treated as one factor in a broader relocation or housing decision. Current data for Marysville provides a neutral baseline with a positive long-term trend.
Indoor Air Quality in Marysville, OH
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 Marysville.
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 Marysville:
- 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 Marysville Homes:
🩺 My Health Risk Assessment
See how Marysville'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, Marysville's air quality improved by 0.9 μg/m³. Based on NBER studies, this change correlates with a estimated 3.6% increase in relative property value retention.
Cleaner Alternatives in OH
Why Marysville earned a 67.2
Raw inputs, scoring weights, and data coverage for this city.
Best Time to Run
Find the cleanest hours for your run today.
Cycling Forecast
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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% | 45.1 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 54.5 |
| Seasonal Variability | 10% | 91.8 |
| 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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Marysville Air Quality FAQs
Is Marysville a good fit for people who care about long-term air quality?
Marysville is an acceptable option with a clean air score of 67.2 and a C grade. The annual PM2.5 mean of 8.8 is within a moderate range for long-term exposure and residency.
What is the frequency of unhealthy air or long-term pollution exposure in Marysville?
Marysville has an unhealthy days percentage of 0. This lack of severe pollution events, despite its C grade, suggests that particulate levels are relatively stable over time.
Is air quality in Marysville improving or getting worse over time?
Air quality in Marysville is improving over recent years. This positive long-term trend suggests that average particulate concentrations have been gradually decreasing.
How much does air quality vary within different parts of Marysville?
Air quality can vary within the city due to local traffic, industry, and location patterns. Areas near industrial zones or heavily traveled routes may experience slightly higher particulate levels than residential neighborhoods.