Windsor, CT
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.
Windsor, CT air quality summary: Windsor, CT, maintains a clean air score of 83.8 and a grade of B. The city reports an annual PM2.5 mean of 5.9 micrograms per cubic meter. Windsor recorded an annual PM2.5 mean of 5.9, which represents relatively low long-term particulate exposure. The long-term air quality in Windsor has remained stable over recent years.
Clean Air Score
A clean air score of 83.8 and a B grade reflect good long-term air quality conditions. These metrics indicate that particulate levels generally remain within acceptable ranges for residential living.
🏡 What This Means for Buying
Air quality in Windsor is a positive factor for long-term residency. Perspective buyers should consider these stable conditions alongside other regional housing criteria.
Indoor Air Quality in Windsor, CT
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 Windsor.
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 Windsor:
- 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 Windsor Homes:
🩺 My Health Risk Assessment
See how Windsor'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, Windsor's air quality improved by 0.5 μg/m³. Based on NBER studies, this change correlates with a estimated 2% increase in relative property value retention.
Cleaner Alternatives in CT
No cleaner cities found in this state. Windsor is already a top performer!
Why Windsor earned a 83.8
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% | 86.7 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 50 |
| Seasonal Variability | 10% | 90.9 |
| 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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Windsor Air Quality FAQs
Is Windsor a good fit for people who care about long-term air quality?
Windsor is a strong candidate for air-quality-conscious residents, featuring a clean air score of 83.8 and a B grade. The annual PM2.5 mean of 5.9 indicates favorable long-term conditions.
What is the frequency of unhealthy air exposure in Windsor?
Windsor experiences a 0% frequency of unhealthy air days, maintaining a B grade. This reflects low exposure to elevated particulate levels over time.
Is air quality in Windsor improving or getting worse over time?
Air quality trends in Windsor are currently categorized as neutral. There has been limited change in particulate levels over the recent monitoring period.
Does air quality vary across different parts of Windsor?
Air quality can vary within the city due to local traffic, industry, and location patterns. Residents should consider local factors like proximity to major roads when evaluating specific sites.