The Bronx, 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.
The Bronx, NY air quality summary: The Bronx, NY carries a clean air score of 76.7 and a grade of B, with a long-term PM2.5 annual mean of 6.9 µg/m³. These values represent the typical atmospheric conditions documented in the borough over the recent historical period. The Bronx records a PM2.5 annual mean of 6.9 µg/m³, which is considered a moderate level of long-term exposure. Long-term air quality in The Bronx has been improving over recent years.
Clean Air Score
A clean air score of 76.7 and grade of B indicate a relatively high standing for long-term air quality. This suggests that while particulate levels are generally well-managed, they remain relevant for long-term residential evaluation.
🏡 What This Means for Buying
Air quality should be considered as one component of a broader relocation or housing decision in The Bronx. Long-term environmental data provides useful context for evaluating the stability of living conditions in the area.
Indoor Air Quality in The Bronx, 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 The Bronx.
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 The Bronx:
- 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 The Bronx Homes:
🩺 My Health Risk Assessment
See how The Bronx'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, The Bronx'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 The Bronx 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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The Bronx Air Quality FAQs
Is The Bronx a good fit for people who care about long-term air quality?
The Bronx holds a clean air score of 76.7 and a grade of B, with a PM2.5 annual mean of 6.9 µg/m³. This represents a relatively favorable profile for long-term air quality.
How often does The Bronx experience unhealthy air or high pollution exposure?
The Bronx experiences unhealthy air days approximately 0.3% of the time, while maintaining a B grade for overall exposure. This indicates that periods of elevated pollution are infrequent relative to long-term averages.
Is the air quality in The Bronx improving or getting worse over time?
Long-term air quality in The Bronx has been improving over recent years.
Does air quality vary across different parts of The Bronx?
Air quality can vary within the borough due to local traffic, industry, and location patterns.