Wheaton, IL
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.
Wheaton, IL air quality summary: Wheaton, IL, maintains a clean air score of 71.3 and a grade of B. The city's annual PM2.5 mean is 8.2 micrograms per cubic meter. Wheaton's annual PM2.5 mean is 8.2, which is considered moderate but acceptable for long-term exposure. Long-term air quality in Wheaton has been improving over recent years.
Clean Air Score
A clean air score of 71.3 and a B grade denote healthy long-term air quality. These metrics suggest that particulate levels are well-managed for this residential community.
🏡 What This Means for Buying
Air quality in Wheaton is a stable factor for those considering long-term residency. The B grade reflects an environment that is generally favorable for long-term residential life.
Indoor Air Quality in Wheaton, IL
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 Wheaton.
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 Wheaton:
- 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 Wheaton 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, Wheaton's air quality improved by 2 μg/m³. Based on NBER studies, this change correlates with a estimated 8% increase in relative property value retention.
Cleaner Alternatives in IL
Why Wheaton earned a 71.3
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 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 60 |
| Seasonal Variability | 10% | 93.6 |
| 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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Wheaton Air Quality FAQs
Is Wheaton a good fit for people who care about long-term air quality?
Wheaton is a good choice for air-quality-conscious residents, with a score of 71.3 and a B grade. The annual PM2.5 mean of 8.2 reflects a clean and healthy environment for residency.
What is the frequency of unhealthy air exposure in Wheaton?
Wheaton reports a 0% frequency of unhealthy air days, reinforcing its B grade. This indicates a consistent air quality environment for long-term planning.
Is air quality in Wheaton improving or getting worse over time?
Air quality in Wheaton has shown an improving trend in recent years. This positive movement suggests that local air quality management is moving in the right direction.
Does air quality vary across different parts of Wheaton?
Air quality can vary within the city due to local traffic, industry, and location patterns. Residents should be aware of how local urban density and road proximity can impact localized air conditions.