South River, 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.
South River, NJ air quality summary: South River, NJ maintains a clean air score of 77.4 and a B grade. The annual PM2.5 mean is 7.1, which is considered moderate and acceptable for the region. South River's annual PM2.5 mean is 7.1, reflecting the typical concentration of fine inhalable particles in the air. The long-term air quality trend in South River is neutral with limited change over recent years.
Clean Air Score
A clean air score of 77.4 and a B grade indicate good long-term air quality. This suggests that residents are exposed to relatively low levels of fine particulate matter over time.
🏡 What This Means for Buying
Homebuyers can view South River's air quality as a positive and stable factor. It provides a healthy environmental profile that is typical for this part of New Jersey.
Indoor Air Quality in South River, 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 South River.
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 South River:
- 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 South River Homes:
🩺 My Health Risk Assessment
See how South River's air quality affects you and your family specifically.
Health Advice
Enjoy the outdoors! Air quality is great.
Add South River Air Quality to your site
Perfect for local news, real estate blogs, and community pages.
</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, South River's air quality worsened by 0.1 μg/m³. Based on NBER studies, this change correlates with a estimated 0.4% decrease in relative property value retention.
Cleaner Alternatives in NJ
Why South River earned a 77.4
Raw inputs, scoring weights, and data coverage for this city.
Best Time to Run
Find the cleanest hours for your run today.
Cycling Forecast
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% | 70.2 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 50 |
| Seasonal Variability | 10% | 93.2 |
| 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.
More Cities in NJ
Similar Rankings Nationwide
South River Air Quality FAQs
Is South River a good fit for people who care about long-term air quality?
South River is a solid choice with its clean air score of 77.4 and B grade. The annual PM2.5 mean of 7.1 is within acceptable limits for long-term residency.
What is the frequency of unhealthy air or long-term pollution exposure in South River?
South River recorded 0% unhealthy days, indicating a lack of frequent pollution spikes. Its B grade and 7.1 PM2.5 mean further support its status as a relatively clean area.
Is air quality in South River improving or getting worse over time?
The air quality trend in South River is currently stable. Recent data shows a neutral pattern with no significant shifts in particulate concentrations.
Does air quality vary across different parts of South River?
Air quality can vary within the city due to local traffic, industry, and location patterns. Proximity to transit corridors or industrial areas can cause minor variations from the overall city average.