Belleville, NJ
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.
Belleville, NJ air quality summary: Belleville, NJ, maintains a clean air score of 77.5 and a B grade, with an annual PM2.5 mean of 7. This rating indicates a relatively stable air quality profile for the area over the long term. In Belleville, the annual PM2.5 mean is 7, which is considered moderate or acceptable but still relevant for long-term exposure. Air quality in Belleville has been improving over recent years.
Clean Air Score
A clean air score of 77.5 and a B grade suggest that Belleville experiences generally acceptable air quality. These marks reflect long-term particulate levels that align with many regional environmental benchmarks.
🏡 What This Means for Buying
Air quality in Belleville should be considered as part of a comprehensive evaluation for any home purchase or relocation. A B grade suggests that environmental conditions are a moderate but stable factor in the local living experience.
Indoor Air Quality in Belleville, NJ
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 Belleville.
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 Belleville:
- 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 Belleville Homes:
🩺 My Health Risk Assessment
See how Belleville'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, Belleville'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.
Cleaner Alternatives in NJ
Why Belleville earned a 77.5
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% | 71 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 57 |
| Seasonal Variability | 10% | 91.3 |
| 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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Belleville Air Quality FAQs
Is Belleville a good fit for people who care about long-term air quality?
Belleville holds a clean air score of 77.5 and a B grade, with an annual PM2.5 mean of 7. These figures indicate a generally favorable environment for those focused on long-term air quality considerations.
How frequent is unhealthy air or long-term pollution exposure in Belleville?
Available data shows that Belleville has 0% unhealthy air days. This, in conjunction with its B grade, suggests that significant pollution spikes are uncommon in the area.
Is air quality in Belleville improving or getting worse over time?
The long-term air quality trend in Belleville has been improving in recent years. This reflects a gradual reduction in particulate levels over time.
Does air quality vary across different parts of Belleville?
Air quality can vary within Belleville due to factors such as local traffic patterns, industrial activity, and geographic location. While the overall grade is a useful guide, specific neighborhoods may experience slight differences in particulate levels.