Owatonna, MN
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.
Owatonna, MN air quality summary: Owatonna, MN, has a CleanAirData score of 69.3 and a grade of C for long-term air quality. The city's annual mean PM2.5 concentration is 8.1 µg/m³. The annual mean concentration of PM2.5 in Owatonna is 8.1 µg/m³. Long-term air quality in Owatonna has been worsening over recent years.
Clean Air Score
The C grade and score of 69.3 indicate a moderate level of particulate exposure over the long term. These metrics represent conditions that are typical for many developed areas but require ongoing observation.
🏡 What This Means for Buying
Air quality is one of many factors to consider when evaluating long-term living conditions in Owatonna. Current data suggests moderate levels of fine particulate matter.
Indoor Air Quality in Owatonna, MN
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 Owatonna.
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 Owatonna:
- 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 Owatonna Homes:
🩺 My Health Risk Assessment
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Health Advice
Good for most outdoor activities.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Owatonna's air quality worsened by 0.6 μg/m³. Based on NBER studies, this change correlates with a estimated 2.4% decrease in relative property value retention.
Cleaner Alternatives in MN
Why Owatonna earned a 69.3
Raw inputs, scoring weights, and data coverage for this city.
Best Time to Run
Find the cleanest hours for your run today.
Cycling Forecast
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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% | 55.1 |
| Unhealthy Days | 25% | 94.5 |
| 5-Year Trend | 20% | 47 |
| Seasonal Variability | 10% | 88.8 |
| Extreme Events | 5% | 95 |
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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Owatonna Air Quality FAQs
Is Owatonna a good fit for people who care about long-term air quality?
Owatonna offers a moderate air quality profile with a score of 69.3 and a C grade. The annual PM2.5 mean of 8.1 µg/m³ reflects a moderate exposure level for long-term residents.
What is the frequency of unhealthy air or long-term pollution exposure in Owatonna?
Owatonna records unhealthy air days 0.3% of the time, which is relatively low. However, the overall C grade is also informed by its annual PM2.5 mean of 8.1 µg/m³.
Is air quality in Owatonna improving or getting worse over time?
Multi-year data indicates that air quality in Owatonna is worsening. This suggests an upward trend in fine particulate concentrations over recent years.
Does air quality vary across different parts of Owatonna?
Air quality within Owatonna can vary due to local influences such as traffic, proximity to industrial areas, and geographic features. These local factors can cause variations that the general city score might not fully capture.