Blaine, 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.
Blaine, MN air quality summary: Blaine, MN, has a clean air score of 78.4 and a grade of B. The city's annual PM2.5 mean is 6.6, which represents its long-term atmospheric profile. Blaine records a PM2.5 annual mean of 6.6, which is considered a moderate level for long-term exposure. The long-term air quality in Blaine has remained neutral with limited change in recent years.
Clean Air Score
The clean air score of 78.4 and grade of B reflect a moderate and consistent air quality level over the long term. These metrics indicate that the local environment generally adheres to acceptable standards for fine particulate matter.
🏡 What This Means for Buying
Air quality should be treated as one factor in a broader relocation or housing evaluation in Blaine. The data provides a historical baseline for assessing the local atmosphere over several years.
Indoor Air Quality in Blaine, 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 Blaine.
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 Blaine:
- 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 Blaine Homes:
🩺 My Health Risk Assessment
See how Blaine'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, Blaine's air quality improved by 0.1 μg/m³. Based on NBER studies, this change correlates with a estimated 0.4% increase in relative property value retention.
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Why Blaine earned a 78.4
Raw inputs, scoring weights, and data coverage for this city.
Best Time to Run
Find the cleanest hours for your run today.
Cycling Forecast
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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% | 76.6 |
| Unhealthy Days | 25% | 94.5 |
| 5-Year Trend | 20% | 50 |
| Seasonal Variability | 10% | 91.2 |
| 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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Blaine Air Quality FAQs
Is Blaine a good fit for people who care about long-term air quality?
Blaine holds a clean air score of 78.4 and a grade of B, with an annual PM2.5 mean of 6.6. these metrics indicate a moderate and stable long-term air quality profile.
What is the frequency of unhealthy air or long-term pollution exposure in Blaine?
Blaine records 0.3 percent of unhealthy air days, which is consistent with its grade of B. This frequency suggests that long-term exposure is predominantly defined by its steady annual mean.
Is air quality in Blaine improving or getting worse over time?
The long-term air quality trend in Blaine is neutral, showing limited change over recent years. This assessment is based on 99.7 percent data completeness.
Does air quality vary within different parts of Blaine?
Air quality can vary within neighborhoods due to local factors such as traffic patterns or regional terrain, though overall city levels remain within the reported range. Residents can look to neighborhood or ZIP-level detail for more localized information.