Bentonville, Ohio Air Quality
Bentonville has a median AQI of 39, earning an air quality grade of A — excellent air quality that ranks better than 56% of US cities. Air quality has been trending worse over the past decade, a concern for local residents and health officials. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2020, Bentonville recorded 215 good air quality days (75% of monitored days).
Population: 277 • County: Adams
Current AQI
Quick Facts
| Current AQI | 18 — Good |
| Air Quality Grade | A |
| Median AQI (2020) | 39 |
| vs. U.S. Cities | Better than 56% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↓ Worsening |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Bentonville is sourced from the Portsmouth Water Treatment Plant monitoring area, located approximately 37 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Bentonville has relatively consistent air quality throughout the year without a strong seasonal peak. Air quality is primarily influenced by local traffic, industrial activity, and regional weather patterns rather than a single seasonal driver.
AQI Trend (10 Years)
Air Quality Days by Year
Bentonville Median AQI by Year
Annual EPA air quality data for Bentonville — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2020 | 39 | 215 | — | 83 | PM2.5 |
| 2019 | 28 | 294 | — | 66 | PM2.5 |
| 2018 | 31 | 288 | — | 70 | PM2.5 |
| 2017 | 30 | 341 | — | 87 | PM2.5 |
| 2016 | 31 | 339 | — | 73 | PM2.5 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
2020 Air Quality Summary
Primary Pollutant Days (2020)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Bentonville Air Quality
What is the air quality in Bentonville today?
The current AQI in Bentonville is 18, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Bentonville getting better or worse?
Air quality in Bentonville has been worsening. The median AQI has risen 8 points (from 31 in 2016 to 39 in 2020), a concern for local health officials.
What is the most common air pollutant in Bentonville?
PM2.5 is the primary air pollutant in Bentonville, responsible for 287 days (100% of monitored days) in 2020. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Bentonville have per year?
In 2020, Bentonville recorded 75% good air quality days (215 days) out of 287 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 83.
What air quality grade does Bentonville receive?
Bentonville receives an air quality grade of A, placing it better than 56% of US cities. This is based on a median AQI of 39 in 2020, with 215 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 56% of US cities
Nearby Cities
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National Rankings
See how Bentonville compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Bentonville
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