Canton, 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.
Canton, OH air quality summary: Canton, OH, has a clean air score of 69.4 and a grade of C. The city records an annual PM2.5 mean of 8.5, indicating moderate long-term air quality conditions. Canton has an annual PM2.5 mean of 8.5, which is considered a moderate level for long-term exposure. The long-term air quality in Canton has been improving over recent years.
Clean Air Score
A clean air score of 69.4 and a C grade reflect air quality that is generally acceptable but features higher particulate levels than higher-graded areas. These values indicate a moderate environment for long-term residency.
🏡 What This Means for Buying
Prospective residents should evaluate air quality in Canton as one factor in a broader relocation or housing decision. Current metrics reflect a moderate environment for persistent particulate exposure.
Indoor Air Quality in Canton, 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 Canton.
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 Canton:
- 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 Canton Homes:
🩺 My Health Risk Assessment
See how Canton'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, Canton's air quality improved by 1.4 μg/m³. Based on NBER studies, this change correlates with a estimated 5.6% increase in relative property value retention.
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Why Canton earned a 69.4
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% | 50.3 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 57 |
| Seasonal Variability | 10% | 92.7 |
| 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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Canton Air Quality FAQs
Is Canton a good fit for people who care about long-term air quality?
Canton maintains a clean air score of 69.4 and a grade of C, suggesting a moderate environment for long-term air quality. The annual PM2.5 mean of 8.5 reflects particulate exposure that is within typical moderate ranges.
What is the frequency of unhealthy air or long-term pollution exposure in Canton?
Canton reports an unhealthy-air frequency of 0%, while its C grade reflects consistent moderate exposure levels. The annual PM2.5 mean stands at 8.5.
Is air quality in Canton improving or getting worse over time?
Air quality in Canton has been improving over recent years. This trend is confirmed by a data completeness rate of 100%.
Does air quality vary across different parts of Canton?
Air quality results for Canton can be found in more detail by looking at neighborhood or ZIP-level data. Localized factors like traffic and industrial activities can cause variations throughout the city.