Richmond Hill, 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.
Richmond Hill, NY air quality summary: Richmond Hill, NY, has a clean air score of 75.2 and a grade of B. The city's PM2.5 annual mean is 7.5 micrograms per cubic meter. Richmond Hill records a PM2.5 annual mean of 7.5, which represents a moderate but relevant level for long-term particulate exposure. Long-term air quality in Richmond Hill has remained modest and stable over recent years.
Clean Air Score
A score of 75.2 reflects generally healthy long-term air quality within an urban context. The grade of B indicates that annual particulate concentrations are maintained within acceptable environmental guidelines.
🏡 What This Means for Buying
Prospective residents should view the stable air quality in Richmond Hill as a favorable factor for long-term residency. This environmental data is a reliable metric for evaluating local living conditions.
Indoor Air Quality in Richmond Hill, 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 Richmond Hill.
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 Richmond Hill:
- 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 Richmond Hill Homes:
🩺 My Health Risk Assessment
See how Richmond Hill'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, Richmond Hill'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 NY
Why Richmond Hill earned a 75.2
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% | 64.6 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 50 |
| Seasonal Variability | 10% | 93.4 |
| 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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Richmond Hill Air Quality FAQs
Is Richmond Hill a good fit for people who care about long-term air quality?
Richmond Hill is a reasonable option, holding a score of 75.2 and a grade of B. The annual PM2.5 mean of 7.5 reflects moderate long-term exposure.
How often does Richmond Hill experience unhealthy air days?
The frequency of unhealthy air days in Richmond Hill is 0%, which is consistent with its grade of B. This suggests that acute pollution spikes are currently rare.
Is air quality in Richmond Hill improving or getting worse over time?
Air quality in Richmond Hill is classified as neutral, showing limited change over the recent tracking period.
Does air quality vary across different parts of Richmond Hill?
Air quality in Richmond Hill can fluctuate due to local traffic density, industrial activity, and proximity to major roadways. These localized factors may create variations in particulate levels within the neighborhood.