Syosset, NY
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.
Syosset, NY air quality summary: Syosset, NY holds a clean air score of 76.7 and a B grade for its long-term air quality. The annual PM2.5 mean is 6.9, which is considered moderate and acceptable. The annual PM2.5 mean in Syosset is 6.9, representing the average level of fine particulate matter in the air. Air quality in Syosset has been improving over recent years.
Clean Air Score
The B grade and clean air score of 76.7 reflect a good standard of air quality with relatively low exposure to fine particulates. This is consistent with a healthy long-term living environment.
🏡 What This Means for Buying
Air quality in Syosset is a positive attribute that should be weighed alongside other factors in a housing search. It offers a favorable profile for those concerned with long-term exposure.
Indoor Air Quality in Syosset, NY
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 Syosset.
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 Syosset:
- 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 Syosset Homes:
🩺 My Health Risk Assessment
See how Syosset'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, Syosset's air quality improved by 3.5 μg/m³. Based on NBER studies, this change correlates with a estimated 14% increase in relative property value retention.
Cleaner Alternatives in NJ
Why Syosset earned a 76.7
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% | 72.6 |
| Unhealthy Days | 25% | 94.4 |
| 5-Year Trend | 20% | 67.5 |
| Seasonal Variability | 10% | 90.4 |
| 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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Syosset Air Quality FAQs
Is Syosset a good fit for people who care about long-term air quality?
Syosset is a good fit with its B grade and clean air score of 76.7. An annual PM2.5 mean of 6.9 indicates that the air quality is moderate and acceptable for long-term living.
What is the frequency of unhealthy air or long-term pollution exposure in Syosset?
Syosset has a low frequency of unhealthy days at 0.3%. This low percentage, combined with its B grade and 6.9 PM2.5 mean, suggests a generally clean environment.
Is air quality in Syosset improving or getting worse over time?
The air quality in Syosset is improving. Long-term data shows a positive trend toward lower particulate concentrations.
Does air quality vary across different parts of Syosset?
Air quality can vary within the city due to local traffic, industry, and location patterns. Even in a well-rated area, proximity to highways or industrial zones can affect local air.