Manhattan, KS
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.
Manhattan, KS air quality summary: Manhattan, KS, holds a clean air score of 69.2 and a grade of C. The city reports an annual PM2.5 mean of 8.1, representing moderate long-term air quality conditions. Manhattan, KS, maintains an annual PM2.5 mean of 8.1, which is considered moderate for long-term exposure. The long-term air quality trend in Manhattan is described as limited or modest.
Clean Air Score
A clean air score of 69.2 and a grade of C reflect an environment with stable but moderate particulate levels. This indicates that while air quality is generally acceptable, it does not meet the highest standards for long-term purity.
🏡 What This Means for Buying
Prospective residents should consider air quality as one part of a comprehensive evaluation of the local environment. The C grade provides a neutral baseline for long-term residential planning.
Indoor Air Quality in Manhattan, KS
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 Manhattan.
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 Manhattan:
- 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 Manhattan Homes:
🩺 My Health Risk Assessment
See how Manhattan's air quality affects you and your family specifically.
Health Advice
Good for most outdoor activities.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Manhattan's air quality improved by 0.5 μg/m³. Based on NBER studies, this change correlates with a estimated 2% increase in relative property value retention.
Cleaner Alternatives in KS
Why Manhattan earned a 69.2
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% | 55.2 |
| Unhealthy Days | 25% | 93.8 |
| 5-Year Trend | 20% | 50 |
| Seasonal Variability | 10% | 87.2 |
| 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.
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Manhattan Air Quality FAQs
Is Manhattan a good fit for people who care about long-term air quality?
Manhattan is a moderate fit, with a clean air score of 69.2 and a grade of C. The annual PM2.5 mean of 8.1 indicates a generally acceptable long-term environment for most residents.
What is the frequency of unhealthy air in Manhattan?
Manhattan reports unhealthy air on 0.3% of days, which is a relatively low frequency. This frequency is consistent with its C grade and annual PM2.5 mean of 8.1.
Is air quality in Manhattan improving or getting worse over time?
Air quality in Manhattan is currently neutral. There has been no significant trend toward improvement or degradation in recent years.
Does air quality vary within Manhattan?
Air quality can vary within the city due to local traffic, industry, and location patterns. Residents should be aware that particulate levels may differ across various districts.