Little Rock, AR
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.
Little Rock, AR air quality summary: Little Rock, AR, holds a clean air score of 53 and an air quality grade of D. The annual mean concentration of PM2.5 is 10.9 micrograms per cubic meter. Little Rock has a PM2.5 annual mean of 10.9, which is considered moderate but relevant for long-term exposure. The long-term air quality in Little Rock has been worsening over recent years.
Clean Air Score
The score of 53 and D grade indicate that Little Rock faces notable long-term air quality challenges. These values suggest that particulate levels are often higher than ideal for long-term environmental health.
🏡 What This Means for Buying
Prospective residents of Little Rock should treat air quality as a relevant factor in their housing search. The D grade indicates that atmospheric conditions should be monitored as part of a long-term living assessment.
Indoor Air Quality in Little Rock, AR
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 Little Rock.
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 Little Rock:
- 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 Little Rock Homes:
🩺 My Health Risk Assessment
See how Little Rock's air quality affects you and your family specifically.
Health Advice
Reduce prolonged outdoor exertion.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Little Rock's air quality worsened by 1.4 μg/m³. Based on NBER studies, this change correlates with a estimated 5.6% decrease in relative property value retention.
Cleaner Alternatives in AR
Why Little Rock earned a 53
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% | 16.1 |
| Unhealthy Days | 25% | 94.5 |
| 5-Year Trend | 20% | 43 |
| Seasonal Variability | 10% | 79.3 |
| 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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Little Rock Air Quality FAQs
Is Little Rock a good fit for people who care about long-term air quality?
Little Rock's clean air score of 53 and grade of D suggest it may be a concern for those highly focused on air quality. The PM2.5 annual mean of 10.9 is moderate but sits at the higher end of that range.
How frequent is unhealthy air in Little Rock?
Little Rock records an unhealthy air day frequency of 0.3%, which contributes to its overall grade of D. This indicates that while extreme days are rare, the baseline particulate levels remain elevated.
Is air quality in Little Rock improving or getting worse over time?
Long-term air quality in Little Rock has been worsening over recent years. This trend highlights a need for continued observation of particulate levels in the region.
Does air quality vary across different parts of Little Rock?
Air quality can vary within Little Rock due to local traffic, industry, and location patterns. Localized particulate levels may differ based on proximity to major roadways or industrial zones.